C08G 18/4211
Derived from aromatic dicarboxylic acids and dialcohols
Official title: {derived from aromatic dicarboxylic acids and dialcohols}
C08G18/4211 (Derived from aromatic dicarboxylic acids and dialcohols) appears on 629 US grants and 802 published applications in this corpus.
Search patents in C08G- Granted patents
- 629
- Published applications
- 802
- Assignees
- 344
- Inventors
- 2,181
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 5 | 0 |
| 1978 | 3 | 0 |
| 1979 | 5 | 0 |
| 1980 | 9 | 0 |
| 1981 | 7 | 0 |
| 1982 | 5 | 0 |
| 1983 | 7 | 0 |
| 1984 | 14 | 0 |
| 1985 | 9 | 0 |
| 1986 | 6 | 0 |
| 1987 | 15 | 0 |
| 1988 | 4 | 0 |
| 1989 | 10 | 0 |
| 1990 | 4 | 0 |
| 1991 | 10 | 0 |
| 1992 | 4 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 7 | 0 |
| 1998 | 9 | 0 |
| 1999 | 9 | 0 |
| 2000 | 11 | 0 |
| 2001 | 14 | 1 |
| 2002 | 10 | 15 |
| 2003 | 15 | 16 |
| 2004 | 7 | 18 |
| 2005 | 4 | 9 |
| 2006 | 8 | 16 |
| 2007 | 3 | 18 |
| 2008 | 2 | 12 |
| 2009 | 10 | 11 |
| 2010 | 4 | 20 |
| 2011 | 6 | 28 |
| 2012 | 12 | 35 |
| 2013 | 17 | 31 |
| 2014 | 11 | 16 |
| 2015 | 27 | 38 |
| 2016 | 28 | 31 |
| 2017 | 25 | 30 |
| 2018 | 22 | 34 |
| 2019 | 19 | 54 |
| 2020 | 21 | 49 |
| 2021 | 36 | 73 |
| 2022 | 32 | 71 |
| 2023 | 34 | 46 |
| 2024 | 42 | 56 |
| 2025 | 32 | 45 |
| 2026 | 18 | 29 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Aqueous self-crosslinkable polyurethane dispersions22 Sep 2026US 12,742,035 B2BASF SE
- Flexible food packaging laminates18 Aug 2026US 12,709,702 B2Sun Chemical Corporation
- Moisture-curable polyurethane hot melt adhesive composition with oleic chemical resistance4 Aug 2026US 12,698,429 B2Henkel AG & Co. KGaA
- Resin composition, layered body including resin composition layer, layered body, flexible copper-clad laminate, flexible flat cable, and electromagnetic wave shielding film26 May 2026US 12,637,565 B2Toagosei Co., Ltd.
- Two-component polyurethane adhesive composition for film lamination in hot filling application26 May 2026US 12,637,599 B2Henkel AG & Co. KGaA
- Production of flame-retardent polyurethane foam10 Sep 2026US 2026/0265440 A1Evonik Operations GmbH
- Polyurethane-polyurea aqueous dispersion, and preparation method therefor and use thereof27 Aug 2026US 2026/0250455 A1Wanhua Chemical Group Co., Ltd.
- Optical film, optical effect film, easily adhesive film, optical multilayer body, surface plate, image display device, and polarizing plate27 Aug 2026US 2026/0251821 A1Dai Nippon Printing Co.Ltd.
- Reinforced polyurethane rigid foam material and preparation method therefor13 Aug 2026US 2026/0234397 A1Jiangsu Yoke Technology Co., Ltd
- Acid-blocked pyrrolidine catalysts for polyurethane foam30 Jul 2026US 2026/0217893 A1Huntsman Petrochemical Corporation
Most cited
By later US patents
- Membranes of polyurethane based materials including polyester polyols423US 6,013,340 ANIKE, Inc. · 2000
- Membranes of polyurethane based materials including polyester polyols364US 6,321,465 B1NIKE, Inc. · 2001
- Barrier members including a barrier layer employing polyester polyols295US 6,203,868 B1NIKE, Inc. · 2001
- Foams having shape memory66US 6,583,194 B22003
- Attrition-resistant, controlled release fertilizers65US 4,804,403 AMelamine Chemicals, Inc. · 1989