Description
Class C08B : POLYSACCHARIDES; DERIVATIVES THEREOF
Subclass 3/20: Preparation of cellulose esters of organic acids Esterification with maintenance of the fibrous structure of the cellulose (surface esterification of textiles D06M 13/00)
C08B 3/20
Sub-Class
Stats
- 19 US PATENTS IN FORCE
- 6 US APPLICATIONS PENDING
- 8 Total Patent Owners
- 73 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12012469 | Fibrous cellulose and method for manufacturing the same, and fibrous cellulose composite resin and method for manufacturing the same | May 24, 19 | Jun 18, 24 | Daio Paper Corporation |
| 11285633 | Method for the acetylation of wood | Apr 13, 16 | Mar 29, 22 | Tricoya Technologies Ltd. |
| 11098134 | Methods for biobased derivatization of cellulosic surfaces | Jan 03, 20 | Aug 24, 21 | HS MANUFACTURING GROUP LLC |
| 11046789 | Methods for biobased derivatization of cellulosic surfaces | Jan 03, 20 | Jun 29, 21 | HS MANUFACTURING GROUP LLC |
| 11015291 | Fine cellulose fiber and production method for same | Mar 16, 17 | May 25, 21 | FUTAMURA KAGAKU KABUSHIKI KAISHA; Asahi Kasei Kabushiki Kaisha; |
| 10730959 | Methods for biobased derivatization of cellulosic surfaces | Aug 31, 17 | Aug 04, 20 | HS MANUFACTURING GROUP LLC |
| 10676615 | Fiber-reinforced resin composition comprising chemically modified cellulose nanofibers and thermoplastic resin | Mar 17, 16 | Jun 09, 20 | Kyoto University; KYOTO MUNICIPAL INSTITUTE OF INDUSTRIAL TECHNOLOGY AND CULTURE; Nippon Paper Industries Co Ltd.; |
| 10570563 | Methods of controlling the hydrophilicity of cellulose | May 13, 16 | Feb 25, 20 | University of Maine System Board of Trustees |
| 10184013 | Modified plant fibers, additive for rubber, process for producing same, and rubber composition | Jun 22, 16 | Jan 22, 19 | Seiko PMC Corporation |
| 10113006 | Release liner comprising nanofibrillar cellulose | Jun 26, 14 | Oct 30, 18 | UPM SPECIALTY PAPERS OY |
| 10086530 | Protection of wood | May 26, 14 | Oct 02, 18 | Stora Enso Oyj; Tikkurila Oyj; Metsäliitto Osuuskunta; |
| 9982114 | Rubber composition, rubber composition for tires, and pneumatic tire | May 02, 16 | May 29, 18 | Sumitomo Rubber Industries, Ltd. |
| 9725583 | Method for preparing cellulose nanofiber capable of being stably dispersed | Nov 06, 12 | Aug 08, 17 | TECHNICAL INSTITUTE OF PHYSICS AND CHEMISTRY OF THE CHINESE ACADEMY OF SCIENCES |
| 9447195 | Heterogeneous thiol-ene click modifications of solid polysaccharide-based materials | Jan 09, 15 | Sep 20, 16 | ORGANOCLICK AB |
| 9415372 | Method for producing a fiber | Feb 18, 11 | Aug 16, 16 | HELFENBERGER IMMOBILIEN LLC & CO TEXTILFORSCHUNGS—UND ENTWICKLUNGS KG |
| 9382335 | Process for producing cellulose derivative and cellulose derivative | May 31, 13 | Jul 05, 16 | NEC CORPORATION |
| 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 |
| 6627750 | Highly carboxylated cellulose fibers and process of making the same | Aug 03, 01 | Sep 30, 03 | RAYONIER PERFORMANCE FIBERS, LLC |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2024/0309,208 | Highly Heat-Resistant Resin Composite Including Chemically Modified, Fine Cellulose Fibers | May 23, 24 | Sep 19, 24 | Asahi Kasei Kabushiki Kaisha |
| 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 |
| 2022/0127,378 | ACETYLATION OF NATURAL FIBRES TO OBTAIN THE FIBROUS STRUCTURE | Feb 11, 20 | Apr 28, 22 | Not available |
| 2021/0214,464 | FIBROUS CELLULOSE, METHOD FOR MANUFACTURING SAME, AND RESIN COMPOSITION | Feb 05, 19 | Jul 15, 21 | Daio Paper Corporation |
| 2018/0086,851 | PRODUCTION OF CARBOXYLATED NANOCELLULOSES | Nov 30, 17 | Mar 29, 18 | Not available |
| 2014/0155,589 | INHIBITORY FIBER AGAINST VIRULENCE FACTORS PRODUCTION AND METHOD FOR PRODUCING SAME | Jul 25, 12 | Jun 05, 14 | KURASHIKI BOSEKI KABUSHIKI KAISHA, KYOTO PREFECTURAL PUBLIC UNIVERSITY CORPORATION, |
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 36 Months (last 2 years Issuances)
- 36 Months (last 5 years Issuances)