C07C 43/02
Ethers
C07C43/02 (Ethers) appears on 4,335 US grants and 2,658 published applications in this corpus.
Search patents in C07C- Granted patents
- 4,335
- Published applications
- 2,658
- Assignees
- 1,586
- Inventors
- 9,038
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 94 | 0 |
| 1977 | 58 | 0 |
| 1978 | 63 | 0 |
| 1979 | 76 | 0 |
| 1980 | 64 | 0 |
| 1981 | 109 | 0 |
| 1982 | 104 | 0 |
| 1983 | 89 | 0 |
| 1984 | 73 | 0 |
| 1985 | 100 | 0 |
| 1986 | 90 | 0 |
| 1987 | 114 | 0 |
| 1988 | 90 | 0 |
| 1989 | 112 | 0 |
| 1990 | 114 | 0 |
| 1991 | 115 | 0 |
| 1992 | 125 | 0 |
| 1993 | 124 | 0 |
| 1994 | 97 | 0 |
| 1995 | 94 | 0 |
| 1996 | 96 | 0 |
| 1997 | 114 | 0 |
| 1998 | 109 | 0 |
| 1999 | 72 | 0 |
| 2000 | 68 | 0 |
| 2001 | 88 | 24 |
| 2002 | 65 | 70 |
| 2003 | 70 | 79 |
| 2004 | 47 | 113 |
| 2005 | 49 | 94 |
| 2006 | 60 | 73 |
| 2007 | 50 | 81 |
| 2008 | 49 | 91 |
| 2009 | 56 | 88 |
| 2010 | 55 | 103 |
| 2011 | 55 | 101 |
| 2012 | 65 | 88 |
| 2013 | 93 | 121 |
| 2014 | 75 | 115 |
| 2015 | 120 | 138 |
| 2016 | 114 | 165 |
| 2017 | 105 | 154 |
| 2018 | 124 | 128 |
| 2019 | 115 | 102 |
| 2020 | 104 | 123 |
| 2021 | 90 | 125 |
| 2022 | 69 | 99 |
| 2023 | 76 | 123 |
| 2024 | 63 | 105 |
| 2025 | 60 | 82 |
| 2026 | 54 | 73 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C07C 43/20Having an ether-oxygen atom bound to a carbon atom of a six-membered2,268
- C07C 43/03Having all ether-oxygen atoms bound to acyclic carbon atoms1,778
- C07C 43/257Having an ether-oxygen atom bound to carbon atoms both belonging to six-membered445
- C07C 43/18Having an ether-oxygen atom bound to a carbon atom of a ring420
- C07C 43/235Having an ether-oxygen atom bound to a carbon atom of a six-membered110
Recent patents
- Chlorinated fluoroaromatics and methods of using same6 Oct 2026US 12,753,140 B23M Innovative Properties Company
- Monomer isomerization and polymer fluorination for sustainable depolymerizable polymers6 Oct 2026US 12,753,252 B2The University of Akron
- Hardmask composition, hardmask layer, and pattern forming method6 Oct 2026US 12,754,481 B2Samsung SDI.Co., Ltd.
- Process for the production of ethyl tertiary butyl ethers22 Sep 2026US 12,741,921 B2Hindustan Petroleum Corporation Limited
- Process for producing para-eugenol and/or ortho-eugenol15 Sep 2026US 12,735,378 B2Specialty Operations France
- Compound, composition, and package structure8 Oct 2026US 2026/0308096 A1Industrial Technology Research Institute
- Biobased alkyl glyceryl ethers and methods of making and using the same1 Oct 2026US 2026/0297004 A1Inolex Investment Corporation
- Fluoroalcohols as co-solvents for chemical synthesis and methods for producing the same17 Sep 2026US 2026/0274774 A1The University of Mississippi
- Semiconductor photoresist composition and method of forming patterns using the composition17 Sep 2026US 2026/0277100 A1Samsung SDI.Co., Ltd.
- Method for producing a musk fragrance intermediate using alcl3 as catalyst10 Sep 2026US 2026/0265169 A1International Flavors & Fragrances Inc.
Most cited
By later US patents
- Cyclobutyl oligonucleotide surrogates475US 5,359,044 ACiba-Geigy Corporation · 1994
- Method for producing a non greasy protective and emollient film on the skin377US 4,608,392 ASociete Anonyme dite: L'Oreal · 1986
- Bis mono- and bicyclic aryl and heteroaryl compounds which inhibit EGF and/or PDGF receptor tyrosine kinase226US 5,480,883 ARhone-Poulenc Rorer Pharmaceuticals Inc. · 1996
- Stilbene derivatives222US 4,326,055 AHoffmann-La Roche Inc. · 1982
- Bis mono- and bicyclic aryl and heteroaryl compounds which inhibit EGF and/or PDGF receptor tyrosine kinase209US 5,409,930 ARhone-Poulenc Rorer Pharmaceuticals Inc. · 1995