Description
Class C08B : POLYSACCHARIDES; DERIVATIVES THEREOF
Subclass 3/10: Preparation of cellulose esters of organic acids of monobasic organic acids with three or more carbon atoms with five or more carbon atoms
C08B 3/10
Sub-Class
Stats
- 30 US PATENTS IN FORCE
- 6 US APPLICATIONS PENDING
- 14 Total Patent Owners
- 102 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12252602 | Use of molar mass controlled cellulose | Jun 28, 22 | Mar 18, 25 | Teknologian tutkimuskeskus VTT Oy |
| 12220684 | Eco-friendly sorbent material for removing oil | Jul 26, 18 | Feb 11, 25 | KANGWON NATIONAL UNIVERSITY UNIVERSITY-INDUSTRY COOPERATION FOUNDATION; DAEHAN PAPER CO., LTD.; TAEKYUNG POLYMER CO., LTD.; Centre Technique de l'Industrie des Papiers Cartons et Celluloses; |
| 12195560 | Scalable production of processable dried nanomaterials and superhydrophobic surfaces from cellulose nanomaterials | May 15, 20 | Jan 14, 25 | Purdue Research Foundation |
| 11905342 | NCC films and products based thereon | Apr 26, 21 | Feb 20, 24 | Melodea Ltd. |
| 11866520 | Functionalised compounds | Nov 22, 18 | Jan 09, 24 | Phosphonics Limited |
| 11421042 | Use of molar mass controlled cellulose | Feb 12, 18 | Aug 23, 22 | Teknologian tutkimuskeskus VTT Oy |
| 11319384 | Method for producing hypromellose phthalate | Jul 24, 19 | May 03, 22 | Shin-Etsu Chemical Co. Ltd. |
| 10718132 | Shelter cover | Dec 05, 18 | Jul 21, 20 | Not available |
| 10378153 | Method for hydrophobing a cellulose substrate | Jun 28, 16 | Aug 13, 19 | Stora Enso Oyj |
| 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 |
| 10174184 | Cellulosic material, liquid composition, shaped article, and shaped article production method | Nov 19, 15 | Jan 08, 19 | SEIKO EPSON CORPORATION |
| 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 |
| 9796790 | Liquid composition, shaped article, and shaped article production method | Nov 12, 15 | Oct 24, 17 | SEIKO EPSON CORPORATION |
| 9556282 | Modified cellulose and composite material using the same | Dec 10, 15 | Jan 31, 17 | INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE |
| 9512238 | Cellulose resin and method for producing the same | Nov 14, 14 | Dec 06, 16 | NEC CORPORATION |
| 9382335 | Process for producing cellulose derivative and cellulose derivative | May 31, 13 | Jul 05, 16 | NEC CORPORATION |
| 9322955 | Phase difference film, method for producing same, polarizing plate, and liquid crystal display device | May 28, 12 | Apr 26, 16 | KONICA MINOLTA, INC. |
| 9243074 | Superhydrophilic amphiphilic copolymers and processes for making the same | Feb 25, 13 | Jan 26, 16 | AKZO NOBEL CHEMICALS INTERNATIONAL B.V. |
| 9200084 | Method for the preparation of a particulate reversibly crosslinked polymeric material | Jun 08, 10 | Dec 01, 15 | DOW GLOBAL TECHNOLOGIES LLC, UNION CARBIDE CHEMICALS & PLASTICS TECHNOLOGY LLC, |
| 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 |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2024/0417,487 | JANUS-TYPE SPHERICAL CELLULOSE NANOPARTICLES | Nov 07, 22 | Dec 19, 24 | Not available |
| 2024/0158,539 | FUNCTIONALIZED CELLULOSE, METHOD OF ENZYMATIC FUNCTIONALIZATION OF CELLULOSE, PROCESS OF ENZYMATIC FUNCTIONALIZATION OF CELLULOSE USING AN ORGANIC ACID AND PROCESS FOR THE PRODUCTION OF A CELLULOSE WITH INCREASED HYDROPHOBICITY AND ARTICLE | Mar 18, 22 | May 16, 24 | Not available |
| 2022/0153,877 | POLYSACCHARIDE DERIVATIVE PRODUCTION METHOD AND LIGNIN DERIVATIVE PRODUCTION METHOD | Mar 05, 20 | May 19, 22 | National University Corporation Kanazawa University |
| 2019/0359,733 | Use of molar mass controlled cellulose | Feb 12, 18 | Nov 28, 19 | Not available |
| 2019/0002,591 | ACYLATION OF BIOPOLYMER COMPRISING ANHYDROGLUCOSE UNITS | Dec 19, 16 | Jan 03, 19 | SAPPI NETHERLANDS SERVICES B.V. |
| 2016/0355,609 | Methods for Biocompatible Derivatization of Cellulosic Surfaces | Aug 18, 16 | Dec 08, 16 | HUMANITARIAN SCIENTIFIC LLC |
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 33 Months (last 2 years Issuances)
- 33 Months (last 5 years Issuances)