1
Douglas Cameron Edwards, Erhardt Fischer: Particulate oil-black masterbatch. Polysar, Stevens Davis Miller & Mosher, May 31, 1977: US04026933 (7 worldwide citation)

Synthetic rubber-black-plasticizer masterbatches are prepared in a particulate form, in contrast with their normal massed form, by a process which involves halogenating the rubber-black masterbatch after coagulation, but before addition of the plasticizer.


2
Douglas Cameron Edwards, John Walker: Mineral oil compositions with an isobutylene polymer containing bound 2,6-di-t-butyl phenol groups. Polysar, Stevens Davis Miller & Mosher, July 18, 1978: US04101434 (3 worldwide citation)

Mineral oil compositions of improved characteristics comprise a major proportion of a mineral oil and a minor proportion of an isobutylene polymer containing bound 2,6-di-t-butyl phenol groups.



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