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:
Sep. 12, 2000
Filed:
Nov. 02, 1998
Applicant:
Inventors:
Gerardus J Gruter, Maastricht, NL;
Johannes A van Beek, Mountain View, CA (US);
Richard Green, Geleen, NL;
Edwin G Ijpeij, Sittard, NL;
Assignee:
DSM N.V., Heerlen, NL;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J / ; B01J / ;
U.S. Cl.
CPC ...
502155 ; 502103 ; 502152 ; 526161 ; 526943 ; 526160 ; 556 53 ; 556 13 ;
Abstract
Polysubstituted cyclopentadiene compound, wherein at least one substituent is of the form --RDR'.sub.n, where R is a bonding group between the cyclopentadiene and the DR'.sub.n group, D is a hetero atom chosen from group 15 or 16 of the Periodic Table of the Elements, R' is a substituent and n is the number of R' groups bonded to D, and in which at least one further substituent is a linear alkyl group comprising at least 2 carbon atoms.