Activation of supported olefin metathesis catalysts by organic reductants
US-2017348681-A1 · Dec 7, 2017 · US
by splitting of carbon-to-carbon bonds and redistribution, e.g. disproportionation or migration of [IMAGE cpc-sch-C07C-0963.gif] groups between different molecules
by splitting of carbon-to-carbon bonds and redistribution, e.g. disproportionation or migration of [IMAGE cpc-sch-C07C-0963.gif] groups between different molecules · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C07C67/475 |
| Official title | by splitting of carbon-to-carbon bonds and redistribution, e.g. disproportionation or migration of [IMAGE cpc-sch-C07C-0963.gif] groups between different molecules |
| Display label | by splitting of carbon-to-carbon bonds and redistribution, e.g. disproportionation or migration of [IMAGE cpc-sch-C07C-0963.gif] groups between different molecules |
| Total patents | 125 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 30 |
| 2016 | 18 |
| 2017 | 23 |
| 2018 | 12 |
| 2019 | 13 |
| 2020 | 8 |
| 2021 | 6 |
| 2022 | 4 |
| 2023 | 4 |
| 2024 | 6 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process for preparing esters of lactic acid, and 2-hydroxy-3-butenoic acid or alpha-hydroxy methionine analogues from sugars
US-2017334844-A1 · Nov 23, 2017 · US
2-(alkoxy or aryloxy carbonyl)-4-methyl-6-(2,6,6-trimethylcyclohex-1- enyl)hex-2-enoic acid compounds, its preparation and use
US-2017305875-A1 · Oct 26, 2017 · US
2-(alkoxy or aryloxy carbonyl)-4-methyl-6-(2,6,6-trimethylcyclohex-1-enyl)hex-2-enoic acid compounds, its preparation and use
US-9732056-B2 · Aug 15, 2017 · US
Methods of refining natural oil feedstocks
US-9732282-B2 · Aug 15, 2017 · US
Catalysts for (E)-selective olefin metathesis
US-9701704-B2 · Jul 11, 2017 · US
Terminally Selective Metathesis of Polyenes Derived from Natural Oil
US-2017183289-A1 · Jun 29, 2017 · US
Process for producing pyridazinone compound and production intermediates thereof
US-9650347-B2 · May 16, 2017 · US
Highly z-selective olefin metathesis
US-2017113984-A1 · Apr 27, 2017 · US
High-Purity Dibasic Acid Compositions and Methods of Making the Same
US-2017096383-A1 · Apr 6, 2017 · US
Combined synthesis of a nitrile-ester/acid and of a diester/diacid
US-9567293-B2 · Feb 14, 2017 · US
Catalysts for (e)-selective olefin metathesis
US-2017022231-A1 · Jan 26, 2017 · US
Terminal selective metathesis of polyenes derived from natural oil
US-9518002-B2 · Dec 13, 2016 · US
High purity dibasic acid compositions and methods of making the same
US-9487463-B2 · Nov 8, 2016 · US
Novel aroma chemicals
US-2016312149-A1 · Oct 27, 2016 · US
Methods of refining natural oil feedstocks
US-9469827-B2 · Oct 18, 2016 · US
Metathesis depolymerization using acrylates
US-9409850-B2 · Aug 9, 2016 · US
Cross-metathesis reaction of functionalized and substituted olefins using group 8 transition metal carbene complexes as metathesis catalysts
US-9403854-B2 · Aug 2, 2016 · US
Selective olefin metathesis with cyclometalated ruthenium complexes
US-2016185684-A1 · Jun 30, 2016 · US
One-step intermolecular electrocyclic rearrangement process
US-9371262-B2 · Jun 21, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C67/475?
- CPC C07C67/475 is the Cooperative Patent Classification code for “by splitting of carbon-to-carbon bonds and redistribution, e.g. disproportionation or migration of [IMAGE cpc-sch-C07C-0963.gif] groups between different molecules.”
- How many patents are filed under CPC C07C67/475 (by splitting of carbon-to-carbon bonds and redistribution, e.g. disproportionation or migration of [IMAGE cpc-sch-C07C-0963.gif] groups between different molecules)?
- Our database includes 125 publications tagged with this CPC code.
- Is patent activity under CPC C07C67/475 growing?
- Publication counts under this code: 4 in 2023 vs 6 in 2024 (latest complete years).