C14C 9/00
Impregnating leather for preserving, waterproofing, making resistant to heat or similar purposes
C14C9/00 (Impregnating leather for preserving, waterproofing, making resistant to heat or similar purposes) appears on 288 US grants and 177 published applications in this corpus.
Search patents in C14C- Granted patents
- 288
- Published applications
- 177
- Assignees
- 138
- Inventors
- 696
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 5 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 9 | 0 |
| 1989 | 6 | 0 |
| 1990 | 7 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 6 | 0 |
| 1994 | 11 | 0 |
| 1995 | 10 | 0 |
| 1996 | 23 | 0 |
| 1997 | 17 | 0 |
| 1998 | 13 | 0 |
| 1999 | 20 | 0 |
| 2000 | 11 | 0 |
| 2001 | 13 | 2 |
| 2002 | 8 | 4 |
| 2003 | 1 | 5 |
| 2004 | 5 | 13 |
| 2005 | 3 | 16 |
| 2006 | 5 | 15 |
| 2007 | 9 | 12 |
| 2008 | 2 | 7 |
| 2009 | 2 | 7 |
| 2010 | 5 | 8 |
| 2011 | 3 | 3 |
| 2012 | 2 | 7 |
| 2013 | 4 | 5 |
| 2014 | 3 | 3 |
| 2015 | 6 | 7 |
| 2016 | 2 | 4 |
| 2017 | 3 | 15 |
| 2018 | 2 | 3 |
| 2019 | 8 | 7 |
| 2020 | 3 | 6 |
| 2021 | 6 | 0 |
| 2022 | 6 | 11 |
| 2023 | 3 | 6 |
| 2024 | 5 | 4 |
| 2025 | 0 | 3 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Use of epoxidized vegetable oils as tanning agents29 Sep 2026US 12,747,482 B2Workem S.R.L. Unipersonale
- Method for the antimicrobial protection of hides during the tanning process which includes a biocidal composition and a luminescent additive allowing the identification thereof11 Aug 2026US 12,703,887 B2Ancor TecnolóGica Canaria, S.L.
- Leather surface modification compositions and methods of use thereof13 Jan 2026US 12,522,882 B2Energizer Auto, Inc.
- Composition and process for waterproofing leather13 Jan 2026US 12,522,883 B2Stahl International B.V.
- Method of manufacturing leather10 Dec 2024US 12,163,197 B2Midori Auto Leather Co., Ltd.
- Method for processing hides and fabrics30 Jul 2026US 2026/0218320 A1Renbertech S.R.L.
- Treating leather with silicone - (meth)acrylate copolymer emulsion to impart stain resistance and oil repellency25 Jun 2026US 2026/0176426 A1Dow Silicones Corporation
- Silicone - (meth)acrylate copolymer emulsion and preparation thereof and use of the emulsion to impart oil repellency to textiles30 Apr 2026US 2026/0117457 A1Dow Silicones Corporation
- Leather surface modification compositions and methods of use thereof12 Feb 2026US 2026/0043096 A1Energizer Auto, Inc.
- Method for the antimicrobial protection of hides during the tanning process which includes a biocidal composition and a luminescent additive allowing the identification thereof15 May 2025US 2025/0154613 A1Ancor TecnolóGica Canaria, S.L.
Most cited
By later US patents
- Internally-coated porous webs with controlled positioning of modifiers therein102US 5,869,172 ANextec Applications, Inc. · 1999
- Methods and apparatus for controlled placement of a polymer composition into a web96US 5,876,792 ANextec Applications, Inc. · 1999
- Garments of barrier webs81US 6,040,251 ANextec Applications, Inc. · 2000
- Articles of barrier webs68US 5,856,245 ANextec Applications, Inc. · 1999
- Leather impregnated with temperature stabilizing material and method for producing such leather61US 6,179,879 B2Acushnet Company · 2001