C08G 18/82
Post-polymerisation treatment
C08G18/82 (Post-polymerisation treatment) appears on 59 US grants and 79 published applications in this corpus.
Search patents in C08G- Granted patents
- 59
- Published applications
- 79
- Assignees
- 65
- Inventors
- 263
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 2 |
| 2005 | 0 | 0 |
| 2006 | 0 | 3 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 1 |
| 2010 | 1 | 1 |
| 2011 | 0 | 2 |
| 2012 | 1 | 4 |
| 2013 | 1 | 1 |
| 2014 | 1 | 4 |
| 2015 | 5 | 7 |
| 2016 | 4 | 2 |
| 2017 | 2 | 1 |
| 2018 | 2 | 1 |
| 2019 | 3 | 6 |
| 2020 | 2 | 5 |
| 2021 | 4 | 7 |
| 2022 | 3 | 3 |
| 2023 | 1 | 8 |
| 2024 | 5 | 10 |
| 2025 | 5 | 5 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for recovering raw materials from polyurethane products12 May 2026US 12,624,187 B2Covestro Deutschland AG
- Modification method of polyurethane, polyurethane, polishing pad, and modification method of polishing pad17 Mar 2026US 12,576,474 B2Kuraray Co., Ltd.
- Polyurethane foam, molded body of same and method for producing molded body24 Feb 2026US 12,559,603 B2Inoac Corporation
- Surface protection film10 Feb 2026US 12,545,016 B2Bando Chemical Industries, Ltd.
- Method for producing thermoplastic polyurethanes25 Nov 2025US 12,479,966 B2Covestro Deutschland AG
- Method for the Production of a Thermoplastic Polyurethane Powder by Means of Precipitation Polymerisation1 Oct 2026US 2026/0297239 A1Covestro Deutschland AG
- Polymer compound and method for decomposing same, plastic product containing said polymer compound, fiber-reinforced plastic and method for recovering fibers contained therein, and method for producing polyester, polyurethane, or polycarbonate20 Aug 2026US 2026/0242564 A1Kanagawa University
- Vitrimerization of polyurethane12 Feb 2026US 2026/0042896 A1
- Stretchable foam, furniture, and cutting tool5 Feb 2026US 2026/0035508 A1Guangdong Duopuda High-tech Materials Co., Ltd.
- Pharmaceutical composition for wound treatment comprising wound-coating material and chemokine-adsorbing particles18 Dec 2025US 2025/0381315 A1Seoul National University R&Db Foundation
Most cited
By later US patents
- Formable orthopedic casts and splints59US 4,473,671 AJohnson & Johnson Products, Inc. · 1984
- Fiber-reinforced composite encased in a thermoplastic and method of making same44US 6,346,325 B1The Dow Chemical Company · 2002
- Carboxybetaine-functionalized diols and zwitterionic polyurethane hydrogels derived therefrom35US 9,139,684 B2The United States of America as represented by the Secretary of the Navy · 2015
- Carboxybetaine-functionalized diols35US 9,206,114 B1The United States of America as represented by the Secretary of the Navy · 2015
- Heat stable reaction injection molded elastomers24US 4,254,069 ATexaco Development Corporation · 1981