Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
1996-09-16
1997-12-30
Schoffer, Joseph L.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
526195, 526226, 526217, 526171, 526172, 526346, 526348, C08F 452, C08F 480, C08F 1000, C08F 1206, C08F 1008
Patent
active
057031835
ABSTRACT:
A carbocationic catalyst composition comprising an initiator of water, a tertiary alkyl or aralkyl halide, ester, ether, carboxylic acid, acid halide or a polymeric halide, a co-initiator of organometal alkoxide halides, organometal phenoxide halides and/or organometal carboxyl halides is used to produce polymers particularly polyisobutylene and isobutylene/para-methyl-styrene copolymers.
REFERENCES:
patent: 5418303 (1995-05-01), Shaffer
Bell C. L.
Cheng Wu C.
Exxon Chemical Patents Inc.
Muller W. G.
Schoffer Joseph L.
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