Description
Class C08B : POLYSACCHARIDES; DERIVATIVES THEREOF
Subclass 3/14: Preparation of cellulose esters of organic acids in which the organic acid residue contains substituents, e.g. NH2, Cl
C08B 3/14
Sub-Class
Stats
- 13 US PATENTS IN FORCE
- 3 US APPLICATIONS PENDING
- 5 Total Patent Owners
- 59 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11858887 | Linker compounds, methods of producing the same and uses thereof | Mar 21, 18 | Jan 02, 24 | Shenkar College of Engineering and Design |
| 10882962 | SRT material, composite and method for producing the same | Sep 28, 18 | Jan 05, 21 | Kyoto University |
| 10836834 | Separating agent for optical isomer | Jul 22, 16 | Nov 17, 20 | Daicel Corporation Industries Ltd. |
| 10738134 | Cross-metathesized polysaccharide derivatives and processes for preparing them | Sep 26, 14 | Aug 11, 20 | Virginia Tech Intellectual Properties, Inc. |
| 10550202 | Hydroxyalkyl alkyl cellulose, method for producing the same, and solid preparation | Oct 02, 17 | Feb 04, 20 | Shin-Etsu Chemical Co. Ltd. |
| 10513565 | Low-substituted hydroxypropyl cellulose, production method thereof, and solid preparation | Oct 02, 17 | Dec 24, 19 | Shin-Etsu Chemical Co. Ltd. |
| 10174184 | Cellulosic material, liquid composition, shaped article, and shaped article production method | Nov 19, 15 | Jan 08, 19 | SEIKO EPSON CORPORATION |
| 9796790 | Liquid composition, shaped article, and shaped article production method | Nov 12, 15 | Oct 24, 17 | SEIKO EPSON CORPORATION |
| 9670619 | Cellulosic material, cellulosic member, and recorded material | Aug 04, 15 | Jun 06, 17 | SEIKO EPSON CORPORATION |
| 9447195 | Heterogeneous thiol-ene click modifications of solid polysaccharide-based materials | Jan 09, 15 | Sep 20, 16 | ORGANOCLICK AB |
| 9382334 | Optical film | Jan 04, 13 | Jul 05, 16 | SK INNOVATION CO., LTD. |
| 9079978 | Treatment of fibres to endure processing | Mar 18, 10 | Jul 14, 15 | STORA ENSO OYJ |
| 8962823 | Heterogeneous thiol-ene click modifications of solid polysaccharide-based materials | Jan 19, 11 | Feb 24, 15 | ORGANOCLICK AB |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2024/0117,530 | Continuous Dissolution of a Cellulose Derivative | Dec 31, 21 | Apr 11, 24 | Not available |
| 2022/0332,852 | PHOSPHORUS-CONTAINING CELLULOSE ESTERS, METHODS FOR THEIR PREPARATION, THEIR USE, AND FLAME RETARDANTS | Sep 11, 20 | Oct 20, 22 | Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. |
| 2016/0326,267 | SEPARATING AGENT FOR OPTICAL ISOMER | Jul 22, 16 | Nov 10, 16 | DAICEL CORPORATION |
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 35 Months (last 2 years Issuances)
- 35 Months (last 5 years Issuances)