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.:
Date of Patent:
Feb. 11, 1997
Filed:
May. 22, 1995
Applicant:
Inventors:
Michael Aulbach, Hofheim, DE;
Michael-Joachim Brekner, Frankfurt, DE;
Frank K uber, Oberursel, DE;
Frank Osan, Kelkheim, DE;
Thomas Weller, Mainz, DE;
J urgen Rohrmann, Kelkheim, DE;
Assignee:
Hoechst Aktiengesellschaft, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; C08F / ;
U.S. Cl.
CPC ...
526160 ; 526127 ; 526132 ; 526183 ; 526185 ; 526188 ; 526190 ; 526194 ; 526281 ; 526308 ; 526348 ; 526943 ;
Abstract
Transparent cycloolefin copolymers having a high tensile strength are obtained by polymerization of a polycyclic olefin, ethylene and, if desired, an acyclic olefin and/or a monocylcic olefin in the presence of a catalyst system which comprises a cocatalyst and an asymmetrical metallocene compound of the formula ##STR1## in which R.sup.16 is cyclopentadienyl and R.sup.17 is indenyl.
Aulbach, Michael. (1997). Process for preparing cycloolefin copolymers (U.S. Patent No. 5602219). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5602219
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile