Description
Class C08B : POLYSACCHARIDES; DERIVATIVES THEREOF
Subclass 1/08: Preparatory treatment of cellulose for making derivatives thereof Alkali cellulose
C08B 1/08
Sub-Class
Stats
- 57 US PATENTS IN FORCE
- 2 US APPLICATIONS PENDING
- 15 Total Patent Owners
- 112 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12115516 | Method for manufacturing carboxymethyl cellulose particles, carboxymethyl cellulose particles manufactured thereby, and absorbent article comprising same | Mar 04, 20 | Oct 15, 24 | Lotte Fine Chemical Co., Ltd. |
| 12091469 | Method and system for the production of a spinning dope composition | Jul 26, 23 | Sep 17, 24 | TREETOTEXTILE AB |
| 12060442 | Use of ethoxylated fatty amido alcohols as a reactivity additive in the process wherein cellulose is reacted with lye | Sep 23, 19 | Aug 13, 24 | Nouryon Chemicals International B.V. |
| 11851815 | Efficient methods and compositions for recovery of products from organic acid pretreatment of plant materials | Oct 26, 21 | Dec 26, 23 | Pierson Capital Environmental (Beijing) Limited |
| 11753482 | System for the production of a spinning dope composition | Jun 13, 21 | Sep 12, 23 | TREETOTEXTILE AB |
| 11377792 | Efficient methods and compositions for recovery of products from organic acid pretreatment of plant materials | Oct 26, 21 | Jul 05, 22 | Pierson Capital Environmental (Beijing) Limited |
| 11299556 | Method for the production of a spinning dope composition | Apr 12, 17 | Apr 12, 22 | TREETOTEXTILE AB |
| 11186950 | Efficient methods and compositions for recovery of products from organic acid pretreatment of plant materials | May 28, 18 | Nov 30, 21 | Pierson Capital Environmental (Beijing) Limited |
| 11155642 | Carboxymethyl cellulose and method of preparation | Oct 30, 15 | Oct 26, 21 | CORE SCIENTIFIC CREATIONS LTD. |
| 11142589 | High alpha and high intrinsic viscosity pulp production apparatuses, methods and systems | Jun 14, 19 | Oct 12, 21 | Bracell Bahia Specialty Cellulose SA |
| 11089804 | Oil-in-water type composition and food using same | Dec 10, 15 | Aug 17, 21 | Shin-Etsu Chemical Co. Ltd.; SE Tylose GmbH & Co., KG; |
| 10941218 | Method for producing carboxymethyl cellulose or salt thereof, and binding agent for electrode | Feb 16, 17 | Mar 09, 21 | 501 Dai-Ichi Kogyo Seiyaku Co. Ltd. |
| 10941217 | Water-soluble cellulose ether and method for producing the same | Jun 20, 18 | Mar 09, 21 | Shin-Etsu Chemical Co. Ltd. |
| 10881124 | Method for producing alkyl cellulose | Dec 10, 15 | Jan 05, 21 | Shin-Etsu Chemical Co., Ltd.; SE Tylose GmbH & Co., KG; |
| 10723808 | Method for producing cellulose ether | Apr 15, 15 | Jul 28, 20 | Shin-Etsu Chemical Co. Ltd. |
| 10570217 | Hydroxypropyl methyl cellulose having high thermal gel strength, method for producing the same, and food containing the same | Mar 08, 17 | Feb 25, 20 | Shin-Etsu Chemical Co., Ltd. |
| 10532029 | Alkyl cellulose for use in tableting and solid preparation comprising same | Jul 27, 18 | Jan 14, 20 | Shin-Etsu Chemical Co. Ltd. |
| 10508155 | Method for continuously producing cellulose ether | Sep 18, 15 | Dec 17, 19 | Shin-Etsu Chemical Co. Ltd. |
| 10457705 | Carrier for ligand immobilization | Dec 20, 18 | Oct 29, 19 | Kaneka Corporation |
| 10370778 | Recycling of man-made cellulosic fibers | Feb 03, 16 | Aug 06, 19 | Chemiefaser Lenzing Aktiengesellschaft |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0051,481 | CELLULOSE PARTICLES AND DISPERSION LIQUID OF CELLULOSE PARTICLES | Sep 14, 22 | Feb 13, 25 | Daio Paper Corporation |
| 2024/0270,876 | ONE-POT PRODUCTION OF CELLULOSE NANOCRYSTALS | Jun 15, 22 | Aug 15, 24 | Not available |
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 47 Months (last 2 years Issuances)
- 47 Months (last 5 years Issuances)