Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1981-09-04
1982-10-05
Seccuro, Carman J.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525192, 525194, 525240, 525232, C08L 2332, C08L 2336
Patent
active
043529119
ABSTRACT:
An effective amount of polyisobutylene effectively reduces polymerization and cross-linking reactions resulting in molecular weight and viscosity increase during production of dispersant viscosity index improvers by the amination and/or sulfurization of polyethylene containing polymers.
REFERENCES:
patent: 2364830 (1944-12-01), Towne
patent: 3299183 (1967-01-01), Borghese
patent: 4212787 (1980-07-01), Matsuda et al.
Magidson William H.
McClain William T.
Seccuro Carman J.
Standard Oil Company (Indiana)
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