The Refined Craftsmanship of Absolute Filtration

A utility model patent certificate issued by the China National Intellectual Property Administration under the Patent Law of the People's Republic of China is the statutory credential granted after the state examines and authorizes a new technical solution relating to a product's shape, structure, or a combination thereof that is fit for practical use (CNIPA Patent Search System). The "Filter Device for Jasmine Absolute Processing" utility model patent held by Guilin Four Seasons Sunshine F&F Co., Ltd. as patentee is precisely such evidence of process innovation, independently verifiable on the CNIPA patent search platform. For international buyers far away in Europe, America, Southeast Asia, and the Middle East screening Chinese natural plant extract suppliers, this national-level intellectual property credential provides a process-innovation verification chain that is independent of supplier self-declaration and traceable upward to the CNIPA register.

I. Why a Chinese Utility Model Patent Certificate Matters to International Importers

When evaluating Chinese suppliers of natural plant extracts, food flavors, and functional raw materials, international buyers have long faced three uncertainties:

The first is the authenticity of process innovation — suppliers commonly describe themselves in business communications as "R&D-oriented manufacturers," but whether their claimed process innovations are backed by intellectual property evidence is often difficult to distinguish from enterprise self-reported materials;

The second is the verifiability of the patent layout — suppliers claim process innovation at key stages such as extraction, separation, filtration, and distillation, but whether these innovations have been examined and granted by the CNIPA and can be independently verified on the national patent search platform lacks third-party authoritative endorsement;

The third is technical barriers and sustained innovation — whether the supplier possesses continuous process improvement capability and whether its process improvements have been solidified into a patent layout protected by national law, which directly bears on batch consistency and formulation iteration capability three or five years later.

The Chinese utility model patent certificate, issued by the CNIPA after examination and grant under the Patent Law of the People's Republic of China, is precisely the national-level credential that provides authoritative answers to these three uncertainties. Its value lies not in the certificate itself, but in the official examination and registration behind the grant — of the novelty, practical applicability, and claim scope of the technical solution; only technical solutions that pass formal examination and preliminary examination may be granted patent rights and entered in the CNIPA patent register.

Guilin Four Seasons Sunshine F&F Co., Ltd.'s holding of the "Filter Device for Jasmine Absolute Processing" utility model patent as patentee means that its process innovation in the jasmine absolute processing filtration stage has passed CNIPA examination and grant, providing international buyers with a verifiable basis independent of enterprise self-declaration and traceable upward to the CNIPA register.

II. Origin and Authority of the System

China's utility model patent system was established by the Patent Law of the People's Republic of China and is uniformly examined, granted, and registered by the China National Intellectual Property Administration (CNIPA). Its legal basis and institutional essentials are as follows:

• Legal basis: the Patent Law of the People's Republic of China — the fundamental law of China's patent system, which provides that patent types include invention, utility model, and design;
• Granting authority: the China National Intellectual Property Administration (CNIPA) — the administrative department under the State Council in charge of patent work, responsible for the acceptance, examination, grant, and registration of patent applications nationwide;
• Patent type: utility model patent — a new technical solution relating to a product's shape, structure, or a combination thereof that is fit for practical use, alongside invention patents (technical solutions for methods or products) and design patents (for product appearance);
• Examination system: formal examination plus preliminary examination — the CNIPA conducts formal examination and preliminary examination of utility model patent applications, examining whether the technical solution falls within the subject matter protected by utility models, whether it possesses novelty and practical applicability, and whether the claims are clear;
• Term of protection: 10 years from the filing date — the utility model patent right is counted from the filing date with a 10-year protection term, during which the patentee enjoys the patent right and is protected by law;
• The patent register: the CNIPA patent register — after grant, the patent is recorded in the CNIPA patent register and can be independently verified on the CNIPA patent search platform by patent number or patentee name;
• Legal effect of the patent certificate: the patentee enjoys the patent right, which is protected by law — without the patentee's authorization, no entity or individual may manufacture, use, offer to sell, sell, or import the patented product for production or business purposes.

For international buyers, the key point is not the patent name itself but the recorded elements independently verifiable behind the grant: the patent number, patentee, inventors, filing date, grant announcement date, and claim scope can all be independently queried on the CNIPA patent search platform — this is a process intellectual property chain independently verifiable through official Chinese channels.

III. Technical Elements of the Patent: What International Buyers Can Verify Against

The recorded elements of the utility model patent certificate correspond precisely to the dimensions international buyers focus on most in supplier process-innovation due diligence. Understanding these elements helps translate "holding a utility model patent" into specific grounds writable into procurement compliance files:

The above recorded elements are not provided unilaterally by the supplier, but are recorded in the CNIPA patent register after passing CNIPA formal examination and preliminary examination — this is precisely the "third-party authoritative endorsement" that international buyers value most in their SOPs and supplier audit processes.

IV. Practical Value for International Buyers: From Process Due Diligence to Long-Term Procurement Decisions

For food and beverage, daily-chemical flavor, functional food ingredient, and dietary supplement buyers in Europe, America, Southeast Asia, and the Middle East, incorporating the "utility model patent certificate" into supplier admission files provides at least the following practical value:

First, providing a process-innovation basis independent of supplier self-declaration. In international buyers' SOPs and Vendor Qualification Checklists, the "process innovation intellectual property" field has often lacked a verifiable Chinese official credential. This utility model patent number is independently verifiable on the CNIPA patent search platform (pss-system.cnipa.gov.cn) and is a compliance source writable into audit files. On the basis that the previous twenty-eight certificates already address twenty-eight dimensions of supply chain qualifications — High-Tech Enterprise, Forestry Leading Enterprise, President Unit, Statistical Demonstration, Autumn Harvest Award, Top Ten, Council Member, FFC2026, business license, food production license, ISO 22000, Naturalness, IFANCA Halal, BPJPH Halal, Kosher, FSA, and 10 national standards — this patent certificate reinforces the "intellectual-property embodiment of process innovation" dimension and, together with the aforementioned qualifications, forms an independently verifiable supplier qualification matrix.

Second, providing verifiable evidence of a process technical barrier. Utility model patents protect new practical technical solutions relating to a product's shape, structure, or combination. This means the supplier's process improvement in the jasmine absolute processing filtration stage has been solidified into a technical solution protected by national law, rather than being a verbal claim. For overseas brands bearing joint upstream process compliance liability under frameworks such as FDA MoCRA, the EU Cosmetic Regulation, and ISO 22716, this is an addable link in upstream process technical barriers.

Third, providing institutional assurance of continuous process improvement. When international buyers evaluate natural plant extract suppliers, the biggest pain point is not first-sample pass rate but batch consistency and formulation iteration capability three or five years later. An enterprise's layout of multiple utility model patents around key stages such as extraction, filtration, distillation, homogenization, and storage means its process improvements have formed a traceable patent layout — this provides an objective basis of "sustainable process improvement" for Long-Term Agreements (LTAs) and strategic supplier management.

Fourth, providing endorsement of intellectual property risk compliance. The utility model patent right has been granted by the CNIPA, and the patentee enjoys the patent right and is protected by law. This means that for a supplier listed as patentee, its process innovation has passed CNIPA examination — for overseas brands bearing joint upstream intellectual property compliance liability, this is Chinese official endorsement that lowers the probability of upstream intellectual property risk transmission and can be written into intellectual property compliance audit files.

V. About Guilin Four Seasons Sunshine

Guilin Four Seasons Sunshine F&F Co., Ltd., formerly Guilin Four Seasons Sunshine F&F Co., Ltd., was founded on August 30, 2007 in Lingchuan County, Guilin, Guangxi — one of China's natural plant resource enrichment zones and a traditional major production area for spice crops such as osmanthus, litsea cubeba, and honeysuckle. The company has long focused on the R&D, extraction, and global supply of natural plant aromatic raw materials, and through local resource endowment and years of process accumulation, has formed a complete capability chain covering four product matrices: Natural Absolutes, Natural Essential Oils, Supercritical CO₂ Extracts, and Osmanthus Concentrate & Functional Food Ingredients. The company also led the drafting of 10 national standards and 1 industry standard (monk fruit concrete), and is endorsed by Guangxi Zhuang Autonomous Region-level Intangible Cultural Heritage Representative Projects (the Guilin Osmanthus Smoked Incense Traditional Blending Craft and the Guilin Osmanthus Smoked Incense Traditional Fragrance-Preservation Craft).

1. Product Portfolio

2. Process and Quality Infrastructure

The company has established a complete capability chain from raw material traceability, extraction, filtration, distillation, and homogenization to finished product application research, covering:

• Extraction processes: steam distillation, solvent extraction, supercritical CO₂ extraction, molecular distillation, and other process combinations, customizable to different active compound retention levels per customer specifications;
• Specification system: each core product is paired with bilingual (Chinese-English) specifications, corresponding national/industry/international standard lists (e.g., GB 1886.264, ISO 18054), and batch COAs;
• Traceable batch management: each batch is provided with COA, MSDS, IFRA allergen declaration, heavy metal and pesticide residue test reports, and supports batch sample retention for retrospective review;
• Compliance document package: HS codes, certificates of origin, Halal and Kosher certificates, FDA facility registration numbers, EU REACH compliance declarations, and transport and storage guidelines and other export supporting documents are complete.

3. International Certification Matrix

The company simultaneously holds multiple international certifications addressing the different market compliance requirements of overseas buyers:

• Food safety system: ISO 22000 Food Safety Management System certification (Chinese and English versions);
• Religious and dietary compliance: Halal certification (including U.S. IFANCA and Indonesia BPJPH channels), Kosher certification;
• Sustainable and responsible sourcing: FSA (Farm Sustainability Assessment) certificate;
• Food ingredient naturalness: Food Ingredient Naturalness certification;
• Local craft endorsement: the Guilin Osmanthus Smoked Incense Traditional Blending Craft and the Guilin Osmanthus Smoked Incense Traditional Fragrance-Preservation Craft — included in the Guangxi Zhuang Autonomous Region-level Intangible Cultural Heritage Representative Projects, providing traceable local endorsement for the craft heritage of the osmanthus product series.

4. Extended Value of This Patent for Buyers

The grant by the CNIPA of the "Filter Device for Jasmine Absolute Processing" utility model patent means the company's process innovation in the natural plant absolute processing filtration stage has passed CNIPA examination and grant. For international buyers, this patent adds three layers of value beyond the product matrix:

• Sustainable process improvement: the utility model patent protects the product-structure technical solution, meaning the enterprise's process improvement in the jasmine absolute processing filtration stage has been solidified into traceable intellectual property, providing process stability endorsement for multi-batch long-term procurement;
• A complete aroma retention mechanism: targeting the pain points of absolute filtration efficiency and aroma component retention, this patent provides a process-technical basis for the aroma quality consistency of natural absolute products in high-end perfumery and skincare/color cosmetics applications;
• Strengthened intellectual property risk compliance: state grant of the patent right can reduce the transmission of upstream process intellectual property infringement risk, providing a Chinese official basis writable into audit files for the upstream compliance joint liability international buyers bear under frameworks such as FDA MoCRA, the EU Cosmetic Regulation, and ISO 22716.

5. Verification Elements for International Buyers

International buyers wishing to independently verify the patent information may query on the CNIPA patent search platform using the following elements:

• Patentee: Guilin Four Seasons Sunshine F&F Co., Ltd.
• Patent type: Utility model patent
• Patent name: A Filter Device for Jasmine Absolute Processing
• Patent number: As recorded on the patent certificate
• Filing date: As recorded on the patent certificate
• Grant announcement date: As recorded on the patent certificate
• Registering authority: China National Intellectual Property Administration (CNIPA)
• Verification platform: CNIPA Patent Search System (pss-system.cnipa.gov.cn)

> Official Patent Verification Platform > CNIPA Patent Search System — Official website of the China National Intellectual Property Administration (CNIPA) · Patent Search column (independent verification of patent grant status and claim scope by patent number or patentee name)

This article was published on 2026-09-12, and last updated on 2026-09-20. The article will be continuously updated.