C08G 18/74
Cyclic
Official title: cyclic
C08G18/74 (Cyclic) appears on 5,956 US grants and 8,640 published applications in this corpus.
Search patents in C08G- Granted patents
- 5,956
- Published applications
- 8,640
- Assignees
- 2,036
- Inventors
- 15,069
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 25 | 0 |
| 1977 | 28 | 0 |
| 1978 | 33 | 0 |
| 1979 | 19 | 0 |
| 1980 | 19 | 0 |
| 1981 | 24 | 0 |
| 1982 | 22 | 0 |
| 1983 | 28 | 0 |
| 1984 | 27 | 0 |
| 1985 | 27 | 0 |
| 1986 | 24 | 0 |
| 1987 | 19 | 0 |
| 1988 | 33 | 0 |
| 1989 | 43 | 0 |
| 1990 | 42 | 0 |
| 1991 | 42 | 0 |
| 1992 | 58 | 0 |
| 1993 | 46 | 0 |
| 1994 | 31 | 0 |
| 1995 | 31 | 0 |
| 1996 | 33 | 0 |
| 1997 | 24 | 0 |
| 1998 | 33 | 0 |
| 1999 | 33 | 0 |
| 2000 | 47 | 0 |
| 2001 | 49 | 14 |
| 2002 | 52 | 55 |
| 2003 | 61 | 110 |
| 2004 | 61 | 105 |
| 2005 | 43 | 111 |
| 2006 | 59 | 103 |
| 2007 | 43 | 146 |
| 2008 | 34 | 156 |
| 2009 | 59 | 201 |
| 2010 | 72 | 236 |
| 2011 | 96 | 268 |
| 2012 | 118 | 258 |
| 2013 | 148 | 307 |
| 2014 | 205 | 309 |
| 2015 | 217 | 380 |
| 2016 | 258 | 419 |
| 2017 | 315 | 507 |
| 2018 | 299 | 515 |
| 2019 | 367 | 589 |
| 2020 | 403 | 667 |
| 2021 | 427 | 681 |
| 2022 | 357 | 732 |
| 2023 | 410 | 566 |
| 2024 | 442 | 503 |
| 2025 | 363 | 400 |
| 2026 | 207 | 302 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Thermoplastic polyurethane based polymeric electrolyte composition6 Oct 2026US 12,753,268 B2Huntsman International LLC
- Method for the production of a polyurethane sandwich element6 Oct 2026US 12,753,284 B2Covestro Deutschland AG
- Polymerizable composition for optical material, optical material, and use thereof29 Sep 2026US 12,747,336 B2Mitsui Chemicals, Inc.
- Aqueous self-crosslinkable polyurethane dispersions22 Sep 2026US 12,742,035 B2BASF SE
- Hydrophilic acrylic-modified polyurethane and method for preparing same, and water-based paint composition prepared therefrom and manufacturing method thereof22 Sep 2026US 12,742,036 B2Samyang Corporation
- Recycleable bioplastics, methods of manufacture thereof and articles comprising the same8 Oct 2026US 2026/0308306 A1University of Connecticut
- Lamination adhesive8 Oct 2026US 2026/0308430 A1Bostik SA
- Method for the Production of a Thermoplastic Polyurethane Powder by Means of Precipitation Polymerisation1 Oct 2026US 2026/0297239 A1Covestro Deutschland AG
- Pre-treatment of polyether polyols or silicone polyether surfactants1 Oct 2026US 2026/0297240 A1Dow Global Technologies LLC
- Polyurethane polyisocyanate, method for producing polyurethane polyisocyanate, polyisocyanate composition, adhesive, layered product, and packaging material1 Oct 2026US 2026/0297401 A1DIC Corporation
Most cited
By later US patents
- Fast curing compositions996US 6,894,140 B2Tyco Healthecare Gropu LP · 2005
- At least partially resorbable reticulated elastomeric matrix elements and methods of making same952US 9,050,176 B2Biomerix Corporation · 2015
- Medical device coated with interpenetrating network of hydrogel polymers538US 6,120,904 ASchneider (USA) Inc. · 2000
- Hydrophilic and hydrophobic polyether polyurethanes and uses therefor530US 5,993,972 ATyndale Plains-Hunter, Ltd. · 1999
- Membranes of polyurethane based materials including polyester polyols423US 6,013,340 ANIKE, Inc. · 2000