A61K 8/90
Block copolymers
Official title: Block copolymers (A61K8/89 takes precedence)
A61K8/90 (Block copolymers) appears on 777 US grants and 879 published applications in this corpus.
Search patents in A61K- Granted patents
- 777
- Published applications
- 879
- Assignees
- 336
- Inventors
- 1,863
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 4 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 6 | 0 |
| 1983 | 5 | 0 |
| 1984 | 6 | 0 |
| 1985 | 9 | 0 |
| 1986 | 4 | 0 |
| 1987 | 7 | 0 |
| 1988 | 5 | 0 |
| 1989 | 17 | 0 |
| 1990 | 13 | 0 |
| 1991 | 20 | 0 |
| 1992 | 8 | 0 |
| 1993 | 8 | 0 |
| 1994 | 10 | 0 |
| 1995 | 11 | 0 |
| 1996 | 17 | 0 |
| 1997 | 20 | 0 |
| 1998 | 19 | 0 |
| 1999 | 40 | 0 |
| 2000 | 17 | 0 |
| 2001 | 26 | 5 |
| 2002 | 20 | 29 |
| 2003 | 19 | 42 |
| 2004 | 18 | 48 |
| 2005 | 12 | 56 |
| 2006 | 13 | 48 |
| 2007 | 13 | 43 |
| 2008 | 12 | 45 |
| 2009 | 13 | 29 |
| 2010 | 14 | 39 |
| 2011 | 22 | 33 |
| 2012 | 19 | 26 |
| 2013 | 27 | 31 |
| 2014 | 33 | 38 |
| 2015 | 30 | 26 |
| 2016 | 23 | 36 |
| 2017 | 24 | 46 |
| 2018 | 21 | 39 |
| 2019 | 23 | 41 |
| 2020 | 29 | 41 |
| 2021 | 26 | 36 |
| 2022 | 29 | 31 |
| 2023 | 17 | 30 |
| 2024 | 10 | 18 |
| 2025 | 14 | 17 |
| 2026 | 7 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cosmetic composition comprising an amino silicone, a non-amino silicone and a non-ionic associative polymer, and cosmetic treatment process18 Aug 2026US 12,708,600 B2L'oreal
- Emulsion cosmetic9 Jun 2026US 12,648,896 B2Shiseido Company, Ltd.
- Hydroquinone stabilizing composition26 May 2026US 12,636,239 B2LG Household & Health Care Ltd.
- Polymer composite capable of being quickly dissolved or dispersed in aqueous solvent and preparation method and application thereof31 Mar 2026US 12,590,187 B2Fudan University
- Peroxymonosulfate oral whitening compositions24 Mar 2026US 12,582,585 B2Colgate-Palmolive Company
- Cosmetic composition comprising a polyhydroxyalkanoate copolymer bearing a(n) (un)saturated hydrocarbon-based chain and a crystallizable fatty substance13 Aug 2026US 2026/0232566 A1L'oreal
- Cleaning composition13 Aug 2026US 2026/0234510 A1Korea Research Institute of Chemical Technology
- Oral Care Compositions6 Aug 2026US 2026/0224454 A1Colgate-Palmolive Company
- Cosmetic composition9 Jul 2026US 2026/0191761 A1Shiseido Company, Ltd.
- Lipid nanoparticle composition comprising sodium dna2 Apr 2026US 2026/0090968 A1H&A Pharmachem Co., Ltd
Most cited
By later US patents
- Water soluble film for oral administration with instant wettability282US 5,948,430 ALTS Lohmann Therapie-Systeme AG · 1999
- Foaming oil gel compositions229US 6,524,594 B1Johnson & Johnson Consumer Companies, Inc. · 2003
- Anticalculus oral composition199US 4,627,977 AColgate-Palmolive Company · 1986
- Health and beauty aid compositions189US 5,221,534 APennzoil Products Company · 1993
- Water soluble film for oral administration with instant wettability189US 6,177,096 B1LTS Lohmann Therapie-Systeme AG · 2001