Y10T 442/668
Separate nonwoven fabric layers comprise chemically different strand or fiber material
Y10T442/668 (Separate nonwoven fabric layers comprise chemically different strand or fiber material) appears on 405 US grants and 333 published applications in this corpus.
Search patents in Y10T- Granted patents
- 405
- Published applications
- 333
- Assignees
- 229
- Inventors
- 900
- Latest grant
- 10 Sep 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 5 | 0 |
| 1982 | 4 | 0 |
| 1983 | 4 | 0 |
| 1984 | 1 | 0 |
| 1985 | 6 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 6 | 0 |
| 1989 | 4 | 0 |
| 1990 | 7 | 0 |
| 1991 | 2 | 0 |
| 1992 | 7 | 0 |
| 1993 | 9 | 0 |
| 1994 | 10 | 0 |
| 1995 | 10 | 0 |
| 1996 | 15 | 0 |
| 1997 | 11 | 0 |
| 1998 | 12 | 0 |
| 1999 | 14 | 0 |
| 2000 | 15 | 0 |
| 2001 | 11 | 12 |
| 2002 | 13 | 19 |
| 2003 | 18 | 41 |
| 2004 | 24 | 46 |
| 2005 | 10 | 47 |
| 2006 | 29 | 37 |
| 2007 | 13 | 31 |
| 2008 | 14 | 13 |
| 2009 | 18 | 16 |
| 2010 | 26 | 25 |
| 2011 | 27 | 12 |
| 2012 | 9 | 10 |
| 2013 | 12 | 3 |
| 2014 | 10 | 10 |
| 2015 | 7 | 4 |
| 2016 | 2 | 3 |
| 2017 | 2 | 1 |
| 2018 | 1 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 1 |
| 2021 | 2 | 1 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Method for making a composite material10 Sep 2024US 12,084,797 B2Fitesa Film Products LLC
- Nonwoven webs with hydrophobic and hydrophilic layers12 Dec 2023US 11,839,531 B2The Procter & Gamble Company
- Nonwoven webs with hydrophobic and hydrophilic layers7 Sep 2021US 11,110,013 B2The Procter & Gamble Company
- Hygiene product10 Aug 2021US 11,083,817 B2Lenzing Aktiengesellschaft
- Medical nonwoven fabric, and preparation method thereof1 Oct 2019US 10,428,458 B2Korea Institute of Industrial Technology
- Method for making a composite material9 Jun 2022US 2022/0178057 A1Fitesa Film Products LLC
- Nonwoven Webs With Hydrophobic And Hydrophilic Layers2 Dec 2021US 2021/0369508 A1The Procter & Gamble Company
- Nonwoven Webs With Hydrophobic And Hydrophilic Layers30 Apr 2020US 2020/0129345 A1The Procter & Gamble Company
- Nonwoven substrate comprising fibers comprising an engineering thermoplastic polymer4 May 2017US 2017/0121872 A1The Procter & Gamble Company
- Tacky allergen trap and filter medium, and method for containing allergens25 Aug 2016US 2016/0243477 A1Buckeye Technologies Inc.
Most cited
By later US patents
- Method for making a fibrous structure comprising cellulosic and synthetic fibers1,393US 7,354,502 B2The Procter & Gamble Company · 2008
- Surge management fibrous nonwoven web for personal care absorbent articles and the like503US 5,490,846 AKimberly-Clark Corporation · 1996
- Filter material construction and method335US 5,672,399 ADonaldson Company, Inc. · 1997
- Multilayer nonwoven composite structure291US 5,145,727 AKimberly-Clark Corporation · 1992
- Breathable, cloth-like film/nonwoven composite224US 5,695,868 AKimberly-Clark Worldwide, Inc. · 1997