Polyisobutylene-substituted phenol, derivatives thereof, and lubricating compositions containing the polyisobutylene-substituted phenol and its derivatives
US-2021269734-A1 · Sep 2, 2021 · US
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obtained by Mannich reactions
obtained by Mannich reactions · 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 | C10M159/16 |
| Official title | obtained by Mannich reactions |
| Display label | obtained by Mannich reactions |
| Total patents | 17 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 3 |
| 2017 | 3 |
| 2018 | 3 |
| 2019 | 1 |
| 2020 | 1 |
| 2021 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Polyisobutylene-substituted phenol, derivatives thereof, and lubricating compositions containing the polyisobutylene-substituted phenol and its derivatives
US-2020377815-A1 · Dec 3, 2020 · US
Wire rope lubricant
US-2019218473-A1 · Jul 18, 2019 · US
Lubricating Oil Composition for Internal Combustion Engine
US-2018320103-A1 · Nov 8, 2018 · US
Isomerization of polyisobutylene
US-2018223017-A1 · Aug 9, 2018 · US
Use of amines and/or Mannich adducts in fuel and lubricant compositions for direct-injection spark ignition engines
US-9938479-B2 · Apr 10, 2018 · US
Isomerization of polyisobutylene
US-2017158785-A1 · Jun 8, 2017 · US
Lubricating oil composition and production thereof
US-9593290-B2 · Mar 14, 2017 · US
Mannich base, production and use thereof
US-9587198-B2 · Mar 7, 2017 · US
Use of amines and/or mannich adducts in fuel and lubricant compositions for direct-injection spark ignition engines
US-2016222309-A1 · Aug 4, 2016 · US
Use of amines and/or Mannich adducts in fuel and lubricant compositions for direct injection spark ignition engines
US-9309475-B2 · Apr 12, 2016 · US
Post-treated sulfurized salt of an alkyl-substituted hydroxyaromatic composition
US-9249091-B2 · Feb 2, 2016 · US
Calcium neutral and overbased mannich and anhydride adducts as detergents for engine oil lubricants
US-9206373-B2 · Dec 8, 2015 · US
Lubricating oil composition and production thereof
US-2015126420-A1 · May 7, 2015 · US
Mannich base, production and use thereof
US-2015121747-A1 · May 7, 2015 · US
Mannich condensation products as sequestering agents for fuels and lubricating oils
US-2015105306-A1 · Apr 16, 2015 · US
Lubricating composition containing a carboxylic functionalised polymer
US-8969266-B2 · Mar 3, 2015 · US