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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 4011384 B1

PDFFull Text
Date of Patent:
Mar. 08, 1977

Filed:

Jun. 10, 1975

Process for the production of crystalline terpolymers of ethene,

Applicant:
Inventors:

Fritz Baxmann, Marl, DT;

Johann Dietrich, Marl, DT;

Walter Dittmann, Marl, DT;

Albert Frese, Marl, DT;

Assignee:

Chemische Werke Huls Aktiengesellschaft, Marl, DT;

Attorney:

Millen & White

Primary Examiner:

Paul R Michl

Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
526158 ; 526350 ;
Abstract

For preparing crystalline, thermoplastic, low-pressure terpolymers of ethene with 0.1-5 mol % butene-1 and 0.1-3 mol % butene-2 having a density of 0.94-0.96 g./cm.sup.3, a liquid phase monomer mixture consisting essentially of ethene, 0.05-10 mol % butene-1 and 20-98.9 mol % butene-2 is polymerized with a mixed polymerization catalyst comprising (a) TiCl.sub.3 . nAlCl.sub.3 wherein n is 0.2-0.6, and (b) isoprenylaluminum in a molar ratio Al : Ti of about 2-20 to form said terpolymer.

Find Patent Forward Citations

Baxmann, Fritz. (1977). Process for the production of crystalline terpolymers of ethene, (U.S. Patent No. 4011384). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4011384

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