Polythiol composition, polymerizable composition for optical material and use thereof
US-2018334528-A1 · Nov 22, 2018 · US
of an acyclic saturated carbon skeleton
of an acyclic saturated carbon skeleton · 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 | C07C321/04 |
| Official title | of an acyclic saturated carbon skeleton |
| Display label | of an acyclic saturated carbon skeleton |
| Total patents | 139 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 11 |
| 2017 | 26 |
| 2018 | 23 |
| 2019 | 15 |
| 2020 | 14 |
| 2021 | 12 |
| 2022 | 6 |
| 2023 | 9 |
| 2024 | 7 |
| 2025 | 8 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Polythiol composition, polymerizable composition for optical material and use thereof
US-2018334527-A1 · Nov 22, 2018 · US
Method of etching semiconductor structures with etch gas
US-10115600-B2 · Oct 30, 2018 · US
Mixed Branched Eicosyl Polysulfide Compositions and Methods of Making Same
US-2018305306-A1 · Oct 25, 2018 · US
Process for Conversion of Dimethyl Sulfide to Methyl Mercaptan
US-2018282268-A1 · Oct 4, 2018 · US
Method for producing mercaptans by hydrogen-assisted disulfide enzyme hydrogenolysis
US-2018273991-A1 · Sep 27, 2018 · US
Mixed decyl mercaptans compositions and methods of making same
US-10040758-B2 · Aug 7, 2018 · US
Mixed decyl mercaptans compositions and methods of making same
US-10011564-B2 · Jul 3, 2018 · US
Manufacture of organopolysulfides and salts thereof
US-2018162810-A1 · Jun 14, 2018 · US
A process for the prepartion of methionine alpha-hydroxy analogues from sugars and derivatives thereof
US-2018118673-A1 · May 3, 2018 · US
Process for producing alkynylketone derivative
US-9951051-B2 · Apr 24, 2018 · US
Catalyst for the synthesis of methyl mercaptan and process for producing methyl mercaptan from synthesis gas and hydrogen sulphide
US-9944594-B2 · Apr 17, 2018 · US
Mixed decyl mercaptans compositions and methods of making same
US-9938237-B2 · Apr 10, 2018 · US
Mixed Decyl Mercaptans Compositions and Methods of Making Same
US-2018079718-A1 · Mar 22, 2018 · US
Methods for Producing Thiol Compounds and Sulfide Compounds Using Diphenylamine or a Phenol Compound
US-2018072663-A1 · Mar 15, 2018 · US
Mixed decyl mercaptans compositions and use thereof as chain transfer agents
US-9879102-B2 · Jan 30, 2018 · US
Synthesis of non-natural cofactor analogs of S-adenosyl-L-methionine using methionine adenosyltransferase
US-9879043-B1 · Jan 30, 2018 · US
Predoping material, electric storage device including the material, and method of producing the device
US-9847528-B2 · Dec 19, 2017 · US
Polythiol composition, polymerizable composition for optical material and use thereof
US-2017349692-A1 · Dec 7, 2017 · US
Method of etching semiconductor structures with etch gas
US-2017352546-A1 · Dec 7, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C321/04?
- CPC C07C321/04 is the Cooperative Patent Classification code for “of an acyclic saturated carbon skeleton.”
- How many patents are filed under CPC C07C321/04 (of an acyclic saturated carbon skeleton)?
- Our database includes 139 publications tagged with this CPC code.
- Is patent activity under CPC C07C321/04 growing?
- Publication counts under this code: 7 in 2024 vs 8 in 2025 (latest complete years).