Compositions – Electrolytes for electrical devices
Patent
1989-12-06
1991-03-26
Howard, Jacqueline V.
Compositions
Electrolytes for electrical devices
526329, 5253303, 5253306, C10M14514
Patent
active
050026763
ABSTRACT:
Novel, selectively hyrogenated block compolymers, which compolymers comprise at least one block of polymerized alkyl methacrylate and one block of polymerized conjugated alkadiene, provide improved dispersant properties and viscosity index improvement to hydrocarbon lubricating oils.
REFERENCES:
patent: 4069180 (1978-01-01), Chalmers
patent: 4388448 (1983-06-01), Melby
patent: 4533482 (1985-08-01), Bollinger
patent: 4756843 (1988-07-01), Jarrin et al.
patent: 4844829 (1989-07-01), Wilburn et al.
patent: 4889900 (1989-12-01), DuBois
Long et al., Anionic Synthesis and Characterization of Various Poly(Alkyl Methacrylates), Polymer Prepatation, 27(2), 258 (1986).
Long et al., Synthesis and Characterization of Ion-Containing Block Copolymers by Anionic Techniques, Polymer Preprints 28(1), 384 (1987).
Allen et al., Synthesis of Tactic Poly(alkyl Methacrylate) Homo and Copolymers, Advances in Polymer Synthesis, 347 (1985).
Allen et al., Studies on the Synthesis of Novel Block Ionomers, ACS Symposium Series, 302, 79 (1986).
Anderson, "Speed" Marvel at DuPont, J. Macromol, Sci.-Chem., A21, 1665-1687, (1984).
Ph.D. Dissertation, Long, Virginia Polymer Institute, Oct. 1989, pp. 53-63.
DuBois Donn A.
Willis Carl L.
Howard Jacqueline V.
Shell Oil Company
LandOfFree
Block copolymers does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Block copolymers, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Block copolymers will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-615506