Description
Class C08L : COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
Subclass 1/32: Compositions of cellulose, modified cellulose, or cellulose derivatives Cellulose derivatives Cellulose ether-esters
C08L 1/32
Sub-Class
Stats
- 41 US PATENTS IN FORCE
- 7 US APPLICATIONS PENDING
- 14 Total Patent Owners
- 126 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12252603 | Regioselectively substituted cellulose ester based C+ compensation films with improved wavelength dispersion | Feb 10, 21 | Mar 18, 25 | Eastman Chemical Company |
| 11767371 | Hydroxypropyl methyl cellulose acetate succinate, method for producing the same, and composition for hot-melt extrusion | Sep 24, 21 | Sep 26, 23 | Shin-Etsu Chemical Co., Ltd. |
| 11142633 | Aqueous composition comprising dispersed esterified cellulose ether | Sep 29, 16 | Oct 12, 21 | Nutrition & Biosciences USA 1, LLC |
| 10947322 | Esterified cellulose ethers comprising phthalyl groups | Jun 20, 17 | Mar 16, 21 | Nutrition & Biosciences USA 1, LLC |
| 10882923 | Low-substituted hydroxypropyl cellulose, production method thereof, and solid preparation | Oct 02, 17 | Jan 05, 21 | Shin-Etsu Chemical Co. Ltd. |
| 10646573 | Composition for hot melt extrusion and method for producing hot melt extrudate by using same | Jun 03, 14 | May 12, 20 | Shin-Etsu Chemical Co. Ltd. |
| 10526421 | Esterified cellulose ethers of low acetone-insoluble content | Aug 18, 15 | Jan 07, 20 | Not available |
| 10513599 | Cellulose ether acetate phthalates | Aug 22, 17 | Dec 24, 19 | Global Dow Technologies LLC |
| 10513565 | Low-substituted hydroxypropyl cellulose, production method thereof, and solid preparation | Oct 02, 17 | Dec 24, 19 | Shin-Etsu Chemical Co. Ltd. |
| 10492510 | Cellulose composite | Apr 13, 16 | Dec 03, 19 | Asahi Kasei Kabushiki Kaisha |
| 10450424 | Process for producing dispersion of esterified cellulose ether | Jul 08, 16 | Oct 22, 19 | Dow Global Technologies LLC |
| 10444618 | Method of making silver-containing dispersions | Sep 25, 17 | Oct 15, 19 | Eastman Kodak Company |
| 10383944 | Dispersion comprising an esterified cellulose ether | Mar 03, 15 | Aug 20, 19 | Dow Global Technologies LLC |
| 10377835 | Water-soluble esterified cellulose ethers | Mar 08, 16 | Aug 13, 19 | Dow Global Technologies LLC |
| 10314786 | Hydroxyalkyl alkyl cellulose, method for producing the same, and solid preparation | Oct 02, 17 | Jun 11, 19 | Shin-Etsu Chemical Co. Ltd. |
| 10297859 | All-solid-state secondary battery, solid electrolyte composition and electrode sheet for batteries used in the same, and manufacturing method of electrode sheet for batteries and all-solid-state secondary battery | Sep 22, 16 | May 21, 19 | FUJIFILM Corporation |
| 10196461 | Efficient process for preparing an ester of a cellulose ether | Oct 21, 15 | Feb 05, 19 | Dow Global Technologies LLC |
| 10106625 | Pharmaceutical compositions with enhanced performance and improved processability | Jul 22, 16 | Oct 23, 18 | Hercules LLC |
| 10016352 | Hair fixatives including cellulose ether based polyglucose polymers | Dec 17, 14 | Jul 10, 18 | Akzo Nobel Chemicals International B.V. |
| 10016508 | Composition for hot-melt extrusion and method for producing hot-melt extrusion product using same | Jun 03, 14 | Jul 10, 18 | Shin-Etsu Chemical Co., Ltd. |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2024/0327,623 | Molding Material | Mar 27, 24 | Oct 03, 24 | Not available |
| 2023/0365,719 | HYDROXYPROPYL METHYL CELLULOSE ACETATE SUCCINATE, METHOD FOR PRODUCING THE SAME, AND COMPOSITION FOR HOT-MELT EXTRUSION | Jul 19, 23 | Nov 16, 23 | Not available |
| 2022/0133,638 | METHOD FOR PRODUCING NANOPARTICLES | May 18, 20 | May 05, 22 | Not available |
| 2022/0106,460 | HYDROXYPROPYL METHYL CELLULOSE PHTHALATE, METHOD FOR PRODUCING THE SAME, AND COMPOSITION FOR HOT-MELT EXTRUSION | Sep 24, 21 | Apr 07, 22 | Not available |
| 2018/0289,043 | METHODS AND COMPOSITIONS FOR WEIGHT MANAGEMENT AND FOR IMPROVING GLYCEMIC CONTROL | Apr 02, 18 | Oct 11, 18 | Not available |
| 2018/0282,527 | INJECTION MOLDING COMPOSITION CONTAINING HYPROMELLOSE ACETATE SUCCINATE AND METHOD FOR PRODUCING SAME | Mar 09, 18 | Oct 04, 18 | Shin-Etsu Chemical Co. Ltd. |
| 2018/0105,608 | PROCESS FOR PRODUCING ESTERIFIED CELLULOSE ETHERS OF VERY HIGH MOLECULAR WEIGHT AND LOW VISCOSITY | May 10, 16 | Apr 19, 18 | Not available |
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)