C07C 45/00
Preparation of compounds having >c = o groups bound only to carbon
Official title: Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
C07C45/00 (Preparation of compounds having >c = o groups bound only to carbon) appears on 12,837 US grants and 5,638 published applications in this corpus.
Search patents in C07C- Granted patents
- 12,837
- Published applications
- 5,638
- Assignees
- 2,750
- Inventors
- 20,017
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 522 | 0 |
| 1977 | 367 | 0 |
| 1978 | 313 | 0 |
| 1979 | 308 | 0 |
| 1980 | 427 | 0 |
| 1981 | 441 | 0 |
| 1982 | 384 | 0 |
| 1983 | 336 | 0 |
| 1984 | 395 | 0 |
| 1985 | 397 | 0 |
| 1986 | 316 | 0 |
| 1987 | 276 | 0 |
| 1988 | 255 | 0 |
| 1989 | 302 | 0 |
| 1990 | 287 | 0 |
| 1991 | 279 | 0 |
| 1992 | 305 | 0 |
| 1993 | 302 | 0 |
| 1994 | 236 | 0 |
| 1995 | 222 | 0 |
| 1996 | 229 | 0 |
| 1997 | 210 | 0 |
| 1998 | 291 | 0 |
| 1999 | 263 | 0 |
| 2000 | 229 | 0 |
| 2001 | 317 | 62 |
| 2002 | 287 | 242 |
| 2003 | 216 | 272 |
| 2004 | 197 | 344 |
| 2005 | 168 | 260 |
| 2006 | 218 | 218 |
| 2007 | 200 | 221 |
| 2008 | 163 | 218 |
| 2009 | 176 | 236 |
| 2010 | 189 | 252 |
| 2011 | 158 | 220 |
| 2012 | 150 | 206 |
| 2013 | 202 | 217 |
| 2014 | 220 | 237 |
| 2015 | 274 | 292 |
| 2016 | 253 | 307 |
| 2017 | 263 | 252 |
| 2018 | 211 | 169 |
| 2019 | 199 | 211 |
| 2020 | 195 | 187 |
| 2021 | 143 | 190 |
| 2022 | 142 | 197 |
| 2023 | 112 | 182 |
| 2024 | 116 | 213 |
| 2025 | 98 | 126 |
| 2026 | 78 | 107 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C07C 45/61Preparation of compounds having >c = o groups bound only to carbon5,094
- C07C 45/27Preparation of compounds having >c = o groups bound only to carbon2,904
- C07C 45/51Preparation of compounds having >c = o groups bound only to carbon1,837
- C07C 45/45Preparation of compounds having >c = o groups bound only to carbon1,765
- C07C 45/49Preparation of compounds having >c = o groups bound only to carbon1,625
- C07C 45/78Separation1,243
- C07C 45/56From heterocyclic compounds1,078
- C07C 45/004Preparation of compounds having >c = o groups bound only to carbon357
All 18 subgroupsShow fewer
- C07C 45/41Preparation of compounds having >c = o groups bound only to carbon243
- C07C 45/42Preparation of compounds having >c = o groups bound only to carbon202
- C07C 45/002Preparation of compounds having >c = o groups bound only to carbon198
- C07C 45/44Preparation of compounds having >c = o groups bound only to carbon165
- C07C 45/40Preparation of compounds having >c = o groups bound only to carbon139
- C07C 45/77Preparation of chelates of aldehydes or ketones67
- C07C 45/006Preparation of compounds having >c = o groups bound only to carbon63
- C07C 45/87Preparation of ketenes or dimeric ketenes60
- C07C 45/008Preparation of compounds having >c = o groups bound only to carbon37
- C07C 45/26Preparation of compounds having >c = o groups bound only to carbon25
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Most cited
By later US patents
- Rhenium catalyst composition399US 4,048,110 ACelanese Corporation · 1977
- Target molecule attachment to surfaces300US 6,465,178 B2SurModics, Inc. · 2002
- Process for the preparation of an olefin polymer239US 5,278,264 AHoechst Aktiengesellschaft · 1994
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