Anionic surfactants and washing agents containing said surfactants
US-10988709-B2 · Apr 27, 2021 · US
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by substitution of hydrogen atoms by sulfo or halosulfonyl groups
by substitution of hydrogen atoms by sulfo or halosulfonyl groups · 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 | C07C303/04 |
| Official title | by substitution of hydrogen atoms by sulfo or halosulfonyl groups |
| Display label | by substitution of hydrogen atoms by sulfo or halosulfonyl groups |
| Total patents | 18 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 3 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 1 |
| 2021 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Paraffin utilization of linear alkyl benzene production
US-10894753-B1 · Jan 19, 2021 · US
Surfactants From Sulfonation Of Aromatic Ethers
US-2020377450-A1 · Dec 3, 2020 · US
Hydrolysis vessel used in a process for amidification of acetone cyanohydrin
US-10273199-B2 · Apr 30, 2019 · US
Novel anionic surfactants and washing agents containing said surfactants
US-2018155653-A1 · Jun 7, 2018 · US
Low pH metal-free preparation of aminated organic acid
US-9676706-B2 · Jun 13, 2017 · US
Hydrolysis vessel used in a process for amidification of acetone cyanohydrin
US-2016251299-A1 · Sep 1, 2016 · US
Low ph metal-free preparation of aminated organic acid
US-2016229797-A1 · Aug 11, 2016 · US
Process for the production of surfactants from renewable materials, comprising a step for hydrotreatment and a step for transforming paraffins into surfactants
US-9260385-B2 · Feb 16, 2016 · US
Linear alkylbenzenes from natural oils and methods of producing
US-9163199-B1 · Oct 20, 2015 · US
Linear alkylbenzenes from natural oils and methods of producing
US-2015284662-A1 · Oct 8, 2015 · US
Linear alkylbenzenes from natural oils and methods of producing
US-9079814-B2 · Jul 14, 2015 · US
Linear alkylbenzenes from natural oils and methods of producing
US-9079811-B2 · Jul 14, 2015 · US
Linear alkylbenzenes from natural oils and methods of producing
US-9080134-B2 · Jul 14, 2015 · US
Process for the production of surfactants from renewable materials, comprising a step for hydrotreatment and a step for transforming paraffins into surfactants
US-2015166473-A1 · Jun 18, 2015 · US
Linear alkylbenzenes from natural oils and methods of producing
US-2015148561-A1 · May 28, 2015 · US
Linear alkylbenzenes from natural oils and methods of producing
US-2015072916-A1 · Mar 12, 2015 · US
Surfactants and Solvents Containing Diels-Alder Adducts
US-2015018563-A1 · Jan 15, 2015 · US