Description
Class C08B : POLYSACCHARIDES; DERIVATIVES THEREOF
Subclass 3/12: Preparation of cellulose esters of organic acids of polybasic organic acids
C08B 3/12
Sub-Class
Stats
- 25 US PATENTS IN FORCE
- 2 US APPLICATIONS PENDING
- 12 Total Patent Owners
- 87 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12037482 | Fibrous cellulose-containing material and method for producing same, dried fibrous cellulose and method for producing same, and fibrous cellulose composite resin and method for producing same | Jul 03, 19 | Jul 16, 24 | Daio Paper Corporation |
| 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 |
| 11661486 | Crystalline nano cellulose reinforced chitosan based films for packaging and other biodegradeable applications | Jun 21, 22 | May 30, 23 | Tuskegee University |
| 11414551 | Graphene-cyclodextrin complex and its use in corrosion prevention | Dec 17, 19 | Aug 16, 22 | King Fahd University of Petroleum and Minerals |
| 11365297 | Crystalline nano cellulose reinforced chitosan based films for packaging and other biodegradeable applications | Jan 03, 19 | Jun 21, 22 | Tuskegee University |
| 11174324 | Manufacture of hydrophobized nanocellulose intermediate as well as hydrophobized nanocellulose | Jun 18, 18 | Nov 16, 21 | FINECELL SWEDEN AB |
| 11130823 | Method for producing hydrogels | Jan 27, 20 | Sep 28, 21 | Gelesis LLC |
| 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 |
| 10961323 | Hypromellose phthalate and method for producing hypromellose phthalate | Aug 22, 17 | Mar 30, 21 | Shin-Etsu Chemical Co. Ltd. |
| 10730959 | Methods for biobased derivatization of cellulosic surfaces | Aug 31, 17 | Aug 04, 20 | HS MANUFACTURING GROUP LLC |
| 10544233 | Method for producing hydrogels | Apr 27, 16 | Jan 28, 20 | Gelesis LLC |
| 10494448 | Apparatus for continuously producing chemically-modified cellulose and method used in same | Sep 30, 16 | Dec 03, 19 | THE JAPAN STEEL WORKS, LTD. |
| 10442870 | Cellulose acylate-oxoalkanoate | Mar 19, 14 | Oct 15, 19 | Daicel Corporation |
| 10385141 | Apparatus for continuously producing chemically-modified cellulose and method used in same | Sep 30, 16 | Aug 20, 19 | THE JAPAN STEEL WORKS, LTD. |
| 10098830 | Oral care compositions | Apr 07, 15 | Oct 16, 18 | BASF SE |
| 9907328 | Cellulose-adipate-#-cyclodextrin structure, and preparation method therefor | Jul 22, 15 | Mar 06, 18 | MEDIENCE CO., LTD. |
| 9708415 | Esters of cellulosic materials and diacids and method of making thereof | Sep 21, 10 | Jul 18, 17 | VIRGINIA POLYTECHNIC INSTITUTE AND STATE UNIVERSITY |
| 9556282 | Modified cellulose and composite material using the same | Dec 10, 15 | Jan 31, 17 | INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE |
| 9540453 | Method for producing modified cellulose nanofibers | May 13, 14 | Jan 10, 17 | DIC CORPORATION |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2022/0073,651 | METHOD FOR PRODUCING HYDROGELS | Sep 21, 21 | Mar 10, 22 | Not available |
| 2018/0057,613 | HYPROMELLOSE PHTHALATE AND METHOD FOR PRODUCING HYPROMELLOSE PHTHALATE | Aug 22, 17 | Mar 01, 18 | SHIN-ETSU CHEMICAL CO., LTD. |
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)