D21H 19/58
Polymers or oligomers of diolefins, aromatic vinyl monomers or unsaturated acids or
Official title: Polymers or oligomers of diolefins, aromatic vinyl monomers or unsaturated acids or derivatives thereof
D21H19/58 (Polymers or oligomers of diolefins, aromatic vinyl monomers or unsaturated acids or) appears on 460 US grants and 376 published applications in this corpus.
Search patents in D21H- Granted patents
- 460
- Published applications
- 376
- Assignees
- 272
- Inventors
- 1,207
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 4 | 0 |
| 1978 | 7 | 0 |
| 1979 | 6 | 0 |
| 1980 | 5 | 0 |
| 1981 | 11 | 0 |
| 1982 | 4 | 0 |
| 1983 | 10 | 0 |
| 1984 | 10 | 0 |
| 1985 | 6 | 0 |
| 1986 | 14 | 0 |
| 1987 | 6 | 0 |
| 1988 | 7 | 0 |
| 1989 | 5 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 10 | 0 |
| 1993 | 12 | 0 |
| 1994 | 15 | 0 |
| 1995 | 5 | 0 |
| 1996 | 7 | 0 |
| 1997 | 12 | 0 |
| 1998 | 20 | 0 |
| 1999 | 18 | 0 |
| 2000 | 9 | 0 |
| 2001 | 11 | 4 |
| 2002 | 9 | 8 |
| 2003 | 8 | 18 |
| 2004 | 9 | 16 |
| 2005 | 8 | 12 |
| 2006 | 9 | 11 |
| 2007 | 4 | 7 |
| 2008 | 3 | 6 |
| 2009 | 6 | 9 |
| 2010 | 6 | 19 |
| 2011 | 4 | 10 |
| 2012 | 3 | 13 |
| 2013 | 6 | 11 |
| 2014 | 8 | 17 |
| 2015 | 11 | 9 |
| 2016 | 9 | 9 |
| 2017 | 11 | 23 |
| 2018 | 12 | 18 |
| 2019 | 11 | 19 |
| 2020 | 22 | 24 |
| 2021 | 14 | 19 |
| 2022 | 13 | 25 |
| 2023 | 10 | 12 |
| 2024 | 14 | 23 |
| 2025 | 8 | 23 |
| 2026 | 12 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Gas barrier film for packaging material25 Aug 2026US 12,715,668 B2Stora Enso OYJ
- Coated paper18 Aug 2026US 12,709,844 B2Koehler Innovation & Technology GmbH
- Multi-layer flexible packaging material19 May 2026US 12,630,346 B2Societe des Produits Nestle S. A.
- Process for producing an aqueous polymer dispersion from a vinyl aromatic compound and a conjugated aliphatic diene12 May 2026US 12,624,504 B2BASF SE
- Osidic dispersing agent5 May 2026US 12,617,968 B2Coatex
- Base paper for metallized paper, metallized paper, and packaging bag24 Sep 2026US 2026/0286609 A1Oji Holdings Corporation
- Coated barrier paper17 Sep 2026US 2026/0275641 A1Billerud Aktiebolag (publ)
- Coating color composition20 Aug 2026US 2026/0243026 A1Coatex
- Hollow sphere pigments disposed on a substrate16 Jul 2026US 2026/0201643 A1Rohm and Haas Company
- Heat sealable coated paper product16 Jul 2026US 2026/0201644 A1Billerud Aktiebolag (publ)
Most cited
By later US patents
- Composite fiberboard and process of manufacture95US 4,963,603 AArmstrong World Industries, Inc. · 1990
- Sequential emulsion polymerization process94US 4,325,856 AThe Dow Chemical Company · 1982
- Low viscosity, fast curing binder for cellulose90US 5,278,222 ARohm and Haas Company · 1994
- Acrylic emulsion copolymers for thickening aqueous systems and copolymerizable surfactant monomers for use therein84US 4,600,761 AAlco Chemical Corporation · 1986
- Composite fiberboard and process of manufacture82US 5,134,179 AArmstrong World Industries, Inc. · 1992