Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
1977-02-04
1978-07-18
Holler, Alan
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
252430, 252451, 252452, 526 96, 5263485, C08F 478, C08F 1000, C08F 1014
Patent
active
041017226
ABSTRACT:
A chromium-containing catalyst utilizing spray dried silica gel containing titanium is used to produce olefin polymers exhibiting an outstanding resistance to environmental stress cracking.
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patent: 3887494 (1975-06-01), Dietz
patent: 3890249 (1975-06-01), Dietz et al.
patent: 3951863 (1976-04-01), Delap
patent: 3976632 (1976-08-01), Delap
patent: 4001196 (1977-01-01), Witt
Hogan John P.
Norwood Donald D.
Holler Alan
Phillips Petroleum Company
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