Description
Class C08B : POLYSACCHARIDES; DERIVATIVES THEREOF
Subclass 3/04: Preparation of cellulose esters of organic acids Cellulose formate
C08B 3/04
Sub-Class
Stats
- 15 US PATENTS IN FORCE
- 1 US APPLICATIONS PENDING
- 4 Total Patent Owners
- 51 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11866519 | Cellulose-containing materials | Sep 18, 19 | Jan 09, 24 | Wool Research Organisation of New Zealand Incorporated |
| 11746174 | Biodegradable polyester | Nov 19, 20 | Sep 05, 23 | (6) INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE |
| 9926384 | Regioselectively substituted cellulose esters produced in a tetraalkylammonium alkylphosphate ionic liquid process and products produced therefrom | Jul 31, 14 | Mar 27, 18 | Eastman Chemical Company |
| 9309385 | Cellulose fibers and process for producing the same, cellulose fiber assembly, and cellulose-fiber composite material | Aug 21, 13 | Apr 12, 16 | OJI HOLDINGS CORPORATION |
| 9243072 | Cellulose interpolymers and method of oxidation | Dec 27, 12 | Jan 26, 16 | EASTMAN CHEMICAL COMPANY |
| 9175096 | Regioselectively substituted cellulose esters produced in a halogenated ionic liquid process and products produced therefrom | Dec 06, 12 | Nov 03, 15 | EASTMAN CHEMICAL COMPANY |
| 9150665 | Cellulose interpolymers and method of oxidation | Dec 27, 12 | Oct 06, 15 | EASTMAN CHEMICAL COMPANY |
| 9040683 | Cellulose interpolymers and method of oxidation | Dec 27, 12 | May 26, 15 | EASTMAN CHEMICAL COMPANY |
| 9040684 | Cellulose interpolymers and method of oxidation | Dec 27, 12 | May 26, 15 | EASTMAN CHEMICAL COMPANY |
| 9040685 | Cellulose interpolymers and method of oxidation | Dec 27, 12 | May 26, 15 | EASTMAN CHEMICAL COMPANY |
| 8871924 | Regioselectively substituted cellulose esters produced in a tetraalkylammonium alkylphosphate ionic liquid process and products produced therefrom | Jan 25, 12 | Oct 28, 14 | EASTMAN CHEMICAL COMPANY |
| 8816066 | Cellulose interpolymers and methods of oxidation | Dec 22, 10 | Aug 26, 14 | EASTMAN CHEMICAL COMPANY |
| 8354525 | Regioselectively substituted cellulose esters produced in a halogenated ionic liquid process and products produced therefrom | Aug 12, 09 | Jan 15, 13 | EASTMAN CHEMICAL COMPANY |
| 8273872 | Cellulose esters and their production in halogenated ionic liquids | Aug 25, 11 | Sep 25, 12 | EASTMAN CHEMICAL COMPANY |
| 5939403 | Keratan sulfate oligosaccharide fraction and pharmaceutical containing the same | Jun 02, 97 | Aug 17, 99 | Seikagaku Corporation |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2023/0340,161 | CELLULOSE-CONTAINING MATERIALS | Sep 15, 21 | Oct 26, 23 | Not available |
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 32 Months (last 2 years Issuances)
- 32 Months (last 5 years Issuances)