C08G 18/10
Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active
Official title: Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step
C08G18/10 (Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active) appears on 6,225 US grants and 6,218 published applications in this corpus.
Search patents in C08G- Granted patents
- 6,225
- Published applications
- 6,218
- Assignees
- 1,867
- Inventors
- 13,169
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 78 | 0 |
| 1977 | 63 | 0 |
| 1978 | 76 | 0 |
| 1979 | 69 | 0 |
| 1980 | 62 | 0 |
| 1981 | 64 | 0 |
| 1982 | 39 | 0 |
| 1983 | 70 | 0 |
| 1984 | 76 | 0 |
| 1985 | 85 | 0 |
| 1986 | 78 | 0 |
| 1987 | 60 | 0 |
| 1988 | 91 | 0 |
| 1989 | 134 | 0 |
| 1990 | 96 | 0 |
| 1991 | 126 | 0 |
| 1992 | 149 | 0 |
| 1993 | 106 | 0 |
| 1994 | 88 | 0 |
| 1995 | 83 | 0 |
| 1996 | 112 | 0 |
| 1997 | 102 | 0 |
| 1998 | 132 | 0 |
| 1999 | 139 | 0 |
| 2000 | 135 | 0 |
| 2001 | 106 | 28 |
| 2002 | 124 | 164 |
| 2003 | 147 | 212 |
| 2004 | 128 | 232 |
| 2005 | 109 | 205 |
| 2006 | 123 | 239 |
| 2007 | 84 | 226 |
| 2008 | 77 | 199 |
| 2009 | 71 | 262 |
| 2010 | 116 | 263 |
| 2011 | 118 | 259 |
| 2012 | 142 | 206 |
| 2013 | 180 | 216 |
| 2014 | 185 | 186 |
| 2015 | 164 | 225 |
| 2016 | 162 | 180 |
| 2017 | 163 | 225 |
| 2018 | 133 | 210 |
| 2019 | 179 | 253 |
| 2020 | 163 | 357 |
| 2021 | 216 | 369 |
| 2022 | 209 | 439 |
| 2023 | 207 | 359 |
| 2024 | 239 | 310 |
| 2025 | 228 | 243 |
| 2026 | 139 | 151 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Curable composition and abrasive articles made using the same6 Oct 2026US 12,753,266 B23M Innovative Properties Company
- Cover coating with good adhesion on polyurethane and polyurea membranes6 Oct 2026US 12,753,267 B2Sika Technology AG
- Polyol premixes, thermally insulating rigid polyurethane foams and methods for their production22 Sep 2026US 12,742,034 B2Covestro LLC
- Solventless adhesive compositions and laminate materials prepared with the same15 Sep 2026US 12,735,612 B2Arkema France
- Composition and method for a root canal filling8 Sep 2026US 12,728,078 B2Rutgers, The State University of New Jersey
- Lamination adhesive8 Oct 2026US 2026/0308430 A1Bostik SA
- Use of Polyurethane Elastomers Based on or Use of Kit-Of-Parts Comprising MDI-Polyadipate Prepolymers and Polyamine Chain-Extenders in Pulp and Paper Applications, Preferably in the Manufacture of Die Cutting Pads, Anvil Covers, Rollers and Zero Crush Wheels8 Oct 2026US 2026/0308850 A1Covestro Deutschland AG
- Isocyanate-reactive compositions, rigid polyurethane foams and methods for their production24 Sep 2026US 2026/0286035 A1Covestro LLC
- Dual cure 3d printing resins17 Sep 2026US 2026/0275022 A1Stratasys, Inc.
- Aqueous dispersion of polyurethane resin and coating agent3 Sep 2026US 2026/0258186 A1DKS Co. Ltd.
Most cited
By later US patents
- Fast curing compositions996US 6,894,140 B2Tyco Healthecare Gropu LP · 2005
- Mold apparatus and kit for in situ tissue repair723US 6,443,988 B1Disc Dynamics, Inc. · 2002
- Polyurethane golf ball703US 5,334,673 AAcushnet Company · 1994
- Articulating joint repair590US 5,888,220 AAdvanced Bio Surfaces, Inc. · 1999
- Extended wear ophthalmic lens578US 5,760,100 ACIBA Vision Corporation · 1998