Carbamate deposit control additives
Patent
·
OSTI ID:6796789
Deposit control additives for internal combustion engines are provided which maintain cleanliness of intake systems without contributing to combustion chamber deposits. The additives are poly(oxyalkylene) carbamates comprising a hydrocarbyloxyterminated poly(Oxyalkylene) chain of 2-5 carbon oxyalkylene units bonded through an oxycarbonyl group to a nitrogen atom of ethylenediamine.
- Assignee:
- Chevron Research Co
- Patent Number(s):
- US 4236020
- OSTI ID:
- 6796789
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
02 PETROLEUM
020500* -- Petroleum-- Products & By-Products
023000 -- Petroleum-- Properties & Composition
ADDITIVES
AUTOMOTIVE FUELS
CARBAMATES
CARBONIC ACID DERIVATIVES
CARBOXYLIC ACID SALTS
DEPOSITS
ENGINES
FUELS
GASOLINE
HEAT ENGINES
INTERNAL COMBUSTION ENGINES
LIQUID FUELS
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
ORGANIC POLYMERS
PETROLEUM PRODUCTS
POLYMERS
020500* -- Petroleum-- Products & By-Products
023000 -- Petroleum-- Properties & Composition
ADDITIVES
AUTOMOTIVE FUELS
CARBAMATES
CARBONIC ACID DERIVATIVES
CARBOXYLIC ACID SALTS
DEPOSITS
ENGINES
FUELS
GASOLINE
HEAT ENGINES
INTERNAL COMBUSTION ENGINES
LIQUID FUELS
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
ORGANIC POLYMERS
PETROLEUM PRODUCTS
POLYMERS