D21H 17/27
Esters thereof
D21H17/27 (Esters thereof) appears on 64 US grants and 62 published applications in this corpus.
Search patents in D21H- Granted patents
- 64
- Published applications
- 62
- Assignees
- 34
- Inventors
- 113
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 1 |
| 2010 | 1 | 2 |
| 2011 | 1 | 0 |
| 2012 | 1 | 3 |
| 2013 | 2 | 1 |
| 2014 | 3 | 5 |
| 2015 | 5 | 23 |
| 2016 | 22 | 4 |
| 2017 | 5 | 2 |
| 2018 | 0 | 1 |
| 2019 | 2 | 2 |
| 2020 | 2 | 2 |
| 2021 | 1 | 0 |
| 2022 | 2 | 2 |
| 2023 | 1 | 1 |
| 2024 | 1 | 5 |
| 2025 | 0 | 2 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Dry wipe, a biodegradable packaging containing the dry wipe, an arrangement and a process for providing a wet wipe5 May 2026US 12,618,027 B2Glatfelter Gernsbach GmbH
- Treatment system for manufacture of paper, board or the like21 Apr 2026US 12,606,959 B2Kemira Oyj
- Paper tube for smoking articles with flavored sheet, and smoking article31 Mar 2026US 12,588,701 B2Kt&G Corporation
- Moist wipe having enhanced dispersibility16 Jul 2024US 12,036,295 B2Haso Ltd.
- Water-dispersible paper31 Oct 2023US 11,802,378 B2Nippon Paper Papylia Co., Ltd.
- Method for producing long chain cellulose ester, long chain cellulose ester and its use13 Aug 2026US 2026/0234292 A1Kemira Oyj
- Composite papers and methods of making thereof6 Aug 2026US 2026/0226686 A1Eastman Chemical (China) Co., Ltd.
- Moist wipe5 Mar 2026US 2026/0062843 A1Nice-Pak Products, Inc.
- Tipping paper including flavored sheet and smoking article including the same10 Apr 2025US 2025/0113857 A1Kt&G Corporation
- Paper tube for smoking articles with flavored sheet, and smoking article6 Mar 2025US 2025/0072483 A1Kt&G Corporation
Most cited
By later US patents
- Papermaking using cationic starch and carboxymethyl cellulose or its additionally substituted derivatives81US 5,061,346 ABetz PaperChem, Inc. · 1991
- Papermaking using cationic starch and naturally anionic polysacchride gums67US 5,104,487 ABetz Paper Chem., Inc. · 1992
- Fibrous webs with improved bonder and creping adhesive53US 4,063,995 AScott Paper Company · 1977
- Water dispersible premoistened wiper42US 4,419,403 AScott Paper Company · 1983
- Disposable cellulosic wiper41US 8,187,422 B2Georgia-Pacific Consumer Products LP · 2012