Description
Class C08B : POLYSACCHARIDES; DERIVATIVES THEREOF
Subclass 3/00: Preparation of cellulose esters of organic acids
C08B 3/00
Sub-Class
Stats
- 90 US PATENTS IN FORCE
- 3 US APPLICATIONS PENDING
- 54 Total Patent Owners
- 517 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12030960 | Manufacture of nanocellulose and intermediates thereof | Jul 07, 21 | Jul 09, 24 | FINECELLOX AB |
| 11834525 | Heteropolysaccharides | Mar 10, 21 | Dec 05, 23 | DSM IP Assets B. V. |
| 11088391 | Lithium ion battery | Oct 19, 15 | Aug 10, 21 | Japan as represented by Director General of National Institute of Advanced Industrial Science and Technology Ministry of Economy Trade and Industry; Murata Manufacturing Co Ltd.; |
| 11084885 | Manufacture of nanocellulose and intermediates thereof | Jun 08, 18 | Aug 10, 21 | FINECELL SWEDEN AB |
| 10959959 | Low-substituted hydroxypropyl cellulose and solid preparation | Aug 02, 17 | Mar 30, 21 | Shin-Etsu Chemical Co. Ltd. |
| 10899847 | Open chain modified cellulosic pulps and methods of making and using the same | Nov 30, 16 | Jan 26, 21 | GP Cellulose GMbH |
| 10836835 | Cellulose ester optical films | Oct 28, 19 | Nov 17, 20 | Eastman Chemical Company |
| 10738134 | Cross-metathesized polysaccharide derivatives and processes for preparing them | Sep 26, 14 | Aug 11, 20 | Virginia Tech Intellectual Properties, Inc. |
| 10669404 | Functionalized cellulose nanocrystal materials and methods of preparation | Feb 27, 17 | Jun 02, 20 | Purdue Research Foundation |
| 10538597 | Acylation process | Oct 15, 14 | Jan 21, 20 | Rhodia Acetow GmbH |
| 10533107 | Composition set, shaped article production method, and shaped article | Mar 03, 16 | Jan 14, 20 | SEIKO EPSON CORPORATION |
| 10519335 | Composition, shaped article production method, and shaped article | Mar 03, 16 | Dec 31, 19 | SEIKO EPSON CORPORATION |
| 10507437 | Gas separation membrane, gas separation module, gas separation apparatus, and gas separation method | Aug 17, 17 | Dec 17, 19 | FUJIFILM Corporation |
| 10494447 | Cellulose ester optical films | May 09, 18 | Dec 03, 19 | Eastman Chemical Company |
| 10370515 | Silver-containing non-aqueous composition containing cellulosic polymers | Sep 25, 17 | Aug 06, 19 | Eastman Kodak Company |
| 10323101 | Method for producing polysaccharide derivative and lignin derivative | Oct 23, 15 | Jun 18, 19 | National University Corporation Kanazawa University; KANAZAWA INSTITUTE OF TECHNOLOGY; |
| 10174184 | Cellulosic material, liquid composition, shaped article, and shaped article production method | Nov 19, 15 | Jan 08, 19 | SEIKO EPSON CORPORATION |
| 9987297 | Polymeric fibers having tissue reactive members | Jul 27, 11 | Jun 05, 18 | Sofradim Production |
| 9975967 | Cellulose ester optical films | Mar 01, 12 | May 22, 18 | Eastman Chemical Company |
| 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 |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2024/0141,073 | METHOD FOR MANUFACTURING CELLULOSE DERIVATIVE | Oct 25, 23 | May 02, 24 | Not available |
| 2015/0203,594 | Topographically Functionalized NFC Film as an Immunoassay Platform for Rapid Diagnostics | Jun 28, 13 | Jul 23, 15 | AALTO UNIVERSITY FOUNDATION |
| 2012/0247,768 | CROSSLINKING AGENTS FOR PRODUCING GELS AND POLYMER BEADS FOR OILFIELD APPLICATIONS | Sep 30, 10 | Oct 04, 12 | M-I DRILLING FLUIDS UK LTD |
Top Owners in This Subclass
| Upgrade to the Professional Level to view Top Owners for this Subclass.Learn More |
|---|
Patents Issued To Date - By Filing Year
Average Time to Issuance
- 37 Months (last 2 years Issuances)
- 37 Months (last 5 years Issuances)