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Chaplits; Donat Nikolaevich
Yaroslavl, SU
No. of patents:

Patent Number Title Of Patent Date Issued
4012456 Method for separation of isobutylene from C.sub.4 hydrocarbon fractions March 15, 1977
The method for separation of isobutylene from hydrocarbon fractions containing four carbon atoms consists in processing said hydrocarbon fractions with water at a temperature of C and a pressure of 16 - 23 atmospheres, at a molar ratio of the said hydrocarbon f
3965039 Ion-exchange molded catalyst and method of its preparation June 22, 1976
An ion-exchange molded catalyst consisting of a sulfonated copolymer of styrene with divinylbenzene or diisopropenyl benzene and a sulfonated thermoplastic material taken in a proportion of 1-4:1-2 by weight, respectively. The method of preparation of the ion-exchange molded catalyst

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