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Dive into the research topics where Donald L. Tomkinson is active.

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Featured researches published by Donald L. Tomkinson.


Archive | 1987

Method for treating subterranean formations

Wilhelm E. Walles; Trevor D. Williamson; Donald L. Tomkinson


Archive | 1986

Controlled-release composition having a membrane comprising submicron particles

Wilhelm E. Walles; Donald L. Tomkinson


Archive | 1987

Controlled-release compositions for acids

Wilhelm E. Walles; Donald L. Tomkinson


Archive | 1976

Polymerization method employing tubular reactor

Robert O. Mass; Donald L. Tomkinson


Archive | 1989

Method of in-mold sulfonation of molded plastic article

Wilhelm E. Walles; Donald L. Tomkinson


Archive | 1988

Apparatus for the generation of sulfur trioxide reagent and sulfonation of the surface of polymeric resins

Wilhelm E. Walles; Donald L. Tomkinson


Archive | 1988

Mold sulfonation system

Wilhem E. Walles; Donald L. Tomkinson


Archive | 1988

Process for the generation of sulfur trioxide reagent and sulfonation of the surface of polymeric resins

Wilhelm E. Walles; David R. Near; Donald L. Tomkinson


Archive | 1989

Apparatus and process for the generation of sulfur trioxide reagent for sulfonation of the surface of polymeric resins

Wilhelm E. Walles; Donald L. Tomkinson; David R. Near


Archive | 1989

In mold sulfonation system

Wilhelm E. Walles; Donald L. Tomkinson

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