C08L 1/286
Substituted with acid radicals
Official title: {substituted with acid radicals, e.g. carboxymethyl cellulose [CMC] (C08L1/282 takes precedence)}
C08L1/286 (Substituted with acid radicals) appears on 388 US grants and 516 published applications in this corpus.
Search patents in C08L- Granted patents
- 388
- Published applications
- 516
- Assignees
- 344
- Inventors
- 1,242
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 4 | 0 |
| 1996 | 10 | 0 |
| 1997 | 16 | 0 |
| 1998 | 20 | 0 |
| 1999 | 6 | 0 |
| 2000 | 7 | 0 |
| 2001 | 4 | 0 |
| 2002 | 1 | 4 |
| 2003 | 4 | 4 |
| 2004 | 0 | 7 |
| 2005 | 4 | 8 |
| 2006 | 2 | 10 |
| 2007 | 3 | 11 |
| 2008 | 1 | 15 |
| 2009 | 3 | 15 |
| 2010 | 7 | 16 |
| 2011 | 3 | 15 |
| 2012 | 12 | 25 |
| 2013 | 12 | 23 |
| 2014 | 12 | 25 |
| 2015 | 17 | 28 |
| 2016 | 16 | 20 |
| 2017 | 22 | 18 |
| 2018 | 17 | 22 |
| 2019 | 18 | 40 |
| 2020 | 22 | 34 |
| 2021 | 24 | 36 |
| 2022 | 25 | 38 |
| 2023 | 25 | 32 |
| 2024 | 23 | 22 |
| 2025 | 20 | 25 |
| 2026 | 9 | 23 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Water based polyimide-powder coating composition and method for manufacturing composite separator for lithium secondary battery using same29 Sep 2026US 12,749,769 B2University Industry Foundation, Yonsei University Wonju Campus
- Polymer compositions and coatings22 Sep 2026US 12,742,090 B2The Penn State Research Foundation
- Marine-biodegradation accelerator11 Aug 2026US 12,703,793 B2Nisshinbo Holdings Inc.
- Ready-to-use esthetic compositions7 Jul 2026US 12,673,131 B2Galderma Holding SA
- Semi-solid biodegradable refrigerant gel12 May 2026US 12,624,268 B2Temperatsure, LLC
- High solids content carboxymethylcellulose solution3 Sep 2026US 2026/0258229 A1Nouryon Chemicals International B. V.
- Modified carboxymethyl cellulose, their compositions and the uses thereof27 Aug 2026US 2026/0250428 A1ISP Investments Inc.
- Sealed gas materials prepared from bio-based raw materials6 Aug 2026US 2026/0226258 A1Aalto University Foundation sr
- Polysaccharide-based macromolecule cross-linking agent, polysaccharide-based biological material, and preparation method therefor and use thereof30 Jul 2026US 2026/0217923 A1Shanghai Jiaotong University
- A production process for totally biodegradable biopolymer from jute23 Jul 2026US 2026/0209480 A1
Most cited
By later US patents
- Articles of manufacture and methods for manufacturing laminate structures including inorganically filled sheets312US 5,830,548 AE. Khashoggi Industries · 1998
- Sealing material for ostomy devices287US 4,231,369 AColoplast International A/S · 1980
- Sheets having a highly inorganically filled organic polymer matrix172US 5,508,072 AE. Khashoggi Industries · 1996
- Articles of manufacture fashioned from sheets having a highly inorganically filled organic polymer matrix171US 5,506,046 AE. Khashoggi Industries · 1996
- Starch-based compositions having uniformly dispersed fibers used to manufacture high strength articles having a fiber-reinforced, starch-bound cellular matrix165US 5,679,145 AE. Khashoggi Industries · 1997