D06M 13/137
Acetals
Official title: Acetals, e.g. formals, or ketals
D06M13/137 (Acetals) appears on 22 US grants and 4 published applications in this corpus.
Search patents in D06M- Granted patents
- 22
- Published applications
- 4
- Assignees
- 13
- Inventors
- 58
- Latest grant
- 28 Jan 2003
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Process for preparing a dialkyl acetal of a C8 to C30 aldehyde28 Jan 2003US 6,512,146 B2Penford Corporation
- Method and apparatus for crosslinking individualized cellulose fibers20 Aug 2002US 6,436,231 B1Weyerhaeuser Company
- Fiber treating composition22 May 2001US 6,235,063 B1Kuraray Co., Ltd.
- Method of sizing substrates26 Dec 2000US 6,165,321 APenford Corporation
- Fiber of ethylene-vinyl alcohol copolymer and process for production thereof16 Jun 1998US 5,766,758 AKuraray Co., Ltd.
- Production method of a high-strength textile material in which raw material stress is eliminated and this material27 Nov 2025US 2025/0361672 A1
- Fragrance composition13 Mar 2025US 2025/0084050 A1Kao Corporation
- Method to incorporate particles in natural fibers and materials29 Oct 2020US 2020/0340174 A1Cocona, Inc.
- Novel sizing compounds23 Aug 2001US 2001/0015267 A1Penford Corporation
Most cited
By later US patents
- Apparatus for crosslinking individualized cellulose fibers48US 5,437,418 AWeyerhaeuser Company · 1995
- Fiber of ethylene-vinyl alcohol copolymer and process for production thereof27US 5,766,758 AKuraray Co., Ltd. · 1998
- Method and apparatus for crosslinking individualized cellulose fibers27US 6,436,231 B1Weyerhaeuser Company · 2002
- Method and apparatus for crosslinking individualized cellulose fibers23US 5,366,591 A1994
- Reactive cyclic N-sulfatoimides and cellulose crosslinked with the imides20US 5,556,976 A1996