Description
Class C08L : COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
Subclass 1/12: Compositions of cellulose, modified cellulose, or cellulose derivatives Cellulose derivatives Esters of organic acids Cellulose acetate
C08L 1/12
Sub-Class
Stats
- 177 US PATENTS IN FORCE
- 62 US APPLICATIONS PENDING
- 39 Total Patent Owners
- 611 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12262735 | Degradable cellulose ester | Jan 09, 23 | Apr 01, 25 | ACETATE INTERNATIONAL LLC |
| 12240961 | Cellulose acetate resin composition | Feb 07, 23 | Mar 04, 25 | Daicel Corporation Industries Ltd. |
| 12227632 | Cellulose ester composition | Apr 21, 20 | Feb 18, 25 | Daicel Corporation Industries Ltd. |
| 12194117 | Resin beads, method for producing resin beads, and product using resin beads | Sep 22, 21 | Jan 14, 25 | Dainichiseika Color & Chemicals Mfg. Co., Ltd. |
| 12157808 | Cellulose acetate and cellulose acetate composition | Dec 22, 22 | Dec 03, 24 | Daicel Corporation Industries Ltd. |
| 12060484 | Biobased material for consumer goods packaging | Jul 26, 21 | Aug 13, 24 | Danimer IPCo, LLC |
| 12030960 | Manufacture of nanocellulose and intermediates thereof | Jul 07, 21 | Jul 09, 24 | FINECELLOX AB |
| 12030015 | Crosslinked polymer membranes and methods of their production | Feb 19, 21 | Jul 09, 24 | Saudi Arabian Oil Company |
| 12024610 | Method of producing porous body | Oct 08, 20 | Jul 02, 24 | 501 Toyota Jidosha Kabushiki Kaisha |
| 12024618 | Resin particles | Oct 19, 21 | Jul 02, 24 | FUJIFILM Business Innovation Corp. |
| 12012503 | Impact-modified biodegradable polymer compositions | Dec 10, 20 | Jun 18, 24 | Ticona LLC |
| 11999857 | Coated particles and methods of making and using the same | Jun 01, 18 | Jun 04, 24 | W. R. Grace & Co. - Conn. |
| 11981796 | Cellulose acetate resin composition | Nov 01, 22 | May 14, 24 | Daicel Corporation Industries Ltd. |
| 11976138 | Thermally stable cellulose ester compositions and articles made using these compositions | Nov 09, 17 | May 07, 24 | Eastman Chemical Company |
| 11958031 | Biomimetic chemocatalytic cascades of degradable polymers | May 19, 21 | Apr 16, 24 | Board of Trustees of Michigan State University |
| 11932725 | Biodegradable polyester resin, preparation method thereof, and biodegradable polyester film comprising the same | Apr 24, 23 | Mar 19, 24 | ECOVANCE CO. LTD. |
| 11926718 | Resin beads, method for producing resin beads, and product using resin beads | Aug 10, 21 | Mar 12, 24 | Dainichiseika Color & Chemicals Mfg. Co., Ltd. |
| 11926723 | Production method of resin porous material | Oct 14, 21 | Mar 12, 24 | PRIME PLANET ENERGY & SOLUTIONS, INC. |
| 11920021 | Cellulose acetate and cellulose acetate composition | Dec 09, 19 | Mar 05, 24 | Daicel Corporation Industries Ltd. |
| 11905393 | Cellulose acetate composition and molded article | Jul 18, 19 | Feb 20, 24 | Daicel Corporation Industries Ltd. |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0109,281 | CELLULOSE ACETATE COMPOSITION | Feb 01, 22 | Apr 03, 25 | Daicel Corporation Industries Ltd. |
| 2025/0019,505 | BIODEGRADABLE COMPOSITE MATERIAL | Sep 13, 22 | Jan 16, 25 | CTK RESEARCH AND DEVELOPMENT CANADA LTD. |
| 2025/0019,538 | BIODEGRADABLE POLYMER COMPOSITION WITH PROCESSING AID | Nov 17, 22 | Jan 16, 25 | KANEKA AMERICAS HOLDING, INC. |
| 2025/0002,694 | MELT PROCESSABLE CELLULOSE ESTER COMPOSITIONS COMPRISING AMORPHOUS BIOFILLER | Oct 07, 22 | Jan 02, 25 | Eastman Chemical Company |
| 2024/0425,681 | ARTICLES CONTAINING MELT PROCESSABLE CELLULOSE ESTER COMPOSITIONS COMPRING AMORPHOUS BIOFILLER | Oct 07, 22 | Dec 26, 24 | Eastman Chemical Company |
| 2024/0425,682 | ARTICLES COMPRISING MELT PROCESSABLE CELLULOSE ACETATE COMPOSITIONS COMPRISING AMORPHOUS BIOFILLER | Oct 07, 22 | Dec 26, 24 | Eastman Chemical Company |
| 2024/0417,548 | RESIN COMPOSITION | May 28, 24 | Dec 19, 24 | FUJIFILM Business Innovation Corp. |
| 2024/0409,722 | PROCESS FOR MAKING MELT PROCESSABLE CELLULOSE ESTER COMPOSITIONS COMPRISING AMORPHOUS BIOFILLER | Oct 07, 22 | Dec 12, 24 | Eastman Chemical Company |
| 2024/0409,723 | ARTICLES CONTAINING MELT PROCESSABLE CELLULOSE ACETATE COMPOSITIONS COMPRISING ALKALINE FILLER | Oct 07, 22 | Dec 12, 24 | Eastman Chemical Company |
| 2024/0400,850 | LEAD COMPRISING BINDER MADE FROM CELLULOSE ESTERS | Oct 25, 22 | Dec 05, 24 | SOCIÉTÉ BIC |
| 2024/0392,112 | Biodegradable Polymer Composition Containing High Levels of Strength Adjuvant Particles | May 23, 24 | Nov 28, 24 | Not available |
| 2024/0376,296 | CELLULOSE-BASED RESIN COMPOSITION AND MOLDED BODY USING SAME | Jul 29, 22 | Nov 14, 24 | NEC CORPORATION; NEC PLATFORMS, LTD.; |
| 2024/0368,366 | MELT-PROCESSABLE, BIODEGRADABLE CELLULOSE ACETATES, COMPOSITIONS, MELTS AND MELT-FORMED ARTICLES MADE THEREFROM | Jul 19, 22 | Nov 07, 24 | Eastman Chemical Company |
| 2024/0352,233 | FOAMABLE CELLULOSE ACETATE COMPOSITIONS, FOAMS AND FOAM ARTICLES FORMED THEREFROM | Feb 06, 24 | Oct 24, 24 | Eastman Chemical Company |
| 2024/0352,234 | POLYSACCHARIDE NANOFIBER-BLENDED POLYSACCHARIDE COMPOSITION PRODUCTION METHOD | Jun 30, 22 | Oct 24, 24 | National University Corporation Kanazawa University; KUSANO SAKKO INC.; MP GOKYO FOOD & CHEMICAL CO., LTD.; |
| 2024/0352,235 | FOAMABLE CELLULOSE ACETATE COMPOSITIONS, FOAMS AND FOAM ARTICLES FORMED THEREFROM | Jul 18, 22 | Oct 24, 24 | Eastman Chemical Company |
| 2024/0327,620 | Molding Material | Mar 28, 24 | Oct 03, 24 | Not available |
| 2024/0327,621 | PROCESS FOR MAKING MELT PROCESSABLE CELLULOSE ESTER COMPOSITIONS COMPRISING ALKALINE FILLER | Oct 07, 22 | Oct 03, 24 | Eastman Chemical Company |
| 2024/0327,622 | MELT PROCESSABLE CELLULOSE ESTER COMPOSITIONS COMPRISING ALKALINE FILLER | Oct 07, 22 | Oct 03, 24 | Eastman Chemical Company |
| 2024/0299,878 | CROSSLINKED POLYMER MEMBRANES AND METHODS OF THEIR PRODUCTION | May 21, 24 | Sep 12, 24 | Saudi Arabian Oil Company |
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 29 Months (last 2 years Issuances)
- 29 Months (last 5 years Issuances)