Fuel oil additives
Patent
·
OSTI ID:5116633
This patent describes a fuel oil composition comprising fuel oil and an additive wherein the additive comprises an AB or ABA block copolymer. It comprises: the A block(s) consist essentially of polymerized monomers selected from the group consisting of acrylate and methacrylate monomers without amine groups wherein the ester is made from an alcohol having 4-60 carbon atoms, and the B block consists essentially of polymerized monomers selected from the group consisting of acrylate and methacrylate monomers containing primary, secondary or tertiary amine groups, with other acrylate and methacrylate monomers, wherein the copolymer contains at least 2 monomer units in each A block and from 2 to 500 amine monomers units in the B block with a concentration in the additive of 10-70% by weight copolymer in solvent, and a concentration of at least 0.5-500 mg/liter of the copolymer in the fuel oil.
- Assignee:
- E.I. du Ponte de Nemours and Co., Wilmington, DE (USA)
- Patent Number(s):
- US 5011504; A
- Application Number:
- PPN: US 7-560279
- OSTI ID:
- 5116633
- Country of Publication:
- United States
- Language:
- English
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