C11D 3/3719
Polyamides or polyimides
Official title: {Polyamides or polyimides}
C11D3/3719 (Polyamides or polyimides) appears on 341 US grants and 306 published applications in this corpus.
Search patents in C11D- Granted patents
- 341
- Published applications
- 306
- Assignees
- 142
- Inventors
- 978
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 8 | 0 |
| 1995 | 14 | 0 |
| 1996 | 29 | 0 |
| 1997 | 16 | 0 |
| 1998 | 15 | 0 |
| 1999 | 18 | 0 |
| 2000 | 22 | 0 |
| 2001 | 23 | 8 |
| 2002 | 17 | 14 |
| 2003 | 12 | 19 |
| 2004 | 3 | 13 |
| 2005 | 8 | 14 |
| 2006 | 7 | 12 |
| 2007 | 6 | 15 |
| 2008 | 6 | 12 |
| 2009 | 6 | 16 |
| 2010 | 10 | 9 |
| 2011 | 9 | 10 |
| 2012 | 5 | 9 |
| 2013 | 1 | 11 |
| 2014 | 5 | 10 |
| 2015 | 8 | 11 |
| 2016 | 8 | 18 |
| 2017 | 7 | 8 |
| 2018 | 6 | 16 |
| 2019 | 10 | 15 |
| 2020 | 10 | 10 |
| 2021 | 3 | 13 |
| 2022 | 7 | 7 |
| 2023 | 12 | 6 |
| 2024 | 3 | 8 |
| 2025 | 4 | 11 |
| 2026 | 4 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method of enhancing performance of a porous evaporative media14 Jul 2026US 12,680,054 B2Ecolab USA Inc.
- Liquid cleaning agent concentrate, ready-to-use solution, uses thereof and cleaning method10 Feb 2026US 12,545,858 B2Chemische Fabrik Dr. Weigert GmbH & Co. KG
- Detergent tablet comprising a plant polysaccharide and anionic/nonionic surfactant mixture3 Feb 2026US 12,540,294 B1Guangzhou Joyson Cleaning Products Co., Ltd.
- Microcapsules prepared from proteins6 Jan 2026US 12,514,794 B2International Flavors & Fragrances Inc.
- Granules or powders and methods for their manufacture18 Nov 2025US 12,473,515 B2BASF SE
- Method of enhancing performance of a porous evaporative media8 Oct 2026US 2026/0308483 A1Ecolab USA Inc.
- Treatment compositions17 Sep 2026US 2026/0275240 A1The Procter & Gamble Company
- Automatic dishwashing composition comprising a structural polypeptide6 Aug 2026US 2026/0226374 A1Amsilk GmbH
- Improvements in or related to organic compounds23 Jul 2026US 2026/0207445 A1
- Water-soluble automatic dishwashing detergent pouch23 Jul 2026US 2026/0209643 A1The Procter & Gamble Company
Most cited
By later US patents
- Condensation products of basic amino acids with copolymerizable compounds and a process for their production162US 6,034,204 ABASF SE · 2000
- Polyamino acid ester copolymers154US 5,910,564 ATh. Goldschmidt AG · 1999
- Polyaspartic acid from maleic acid and ammonia116US 4,839,461 ABayer Aktiengesellschaft · 1989
- Use of polyaspartic acid in detergents and cleaners115US 5,770,553 ABASF SE · 1998
- Laundry detergent compositions comprising cationic surfactants and modified polyamine soil dispersents114US 6,004,922 AThe Procter & Gamble Company · 1999