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:
Oct. 16, 2012
Filed:
Jan. 16, 2009
Michael R. Buchmeiser, Remshalden, DE;
Dongren Wang, Stuttgart, DE;
Michael R. Buchmeiser, Remshalden, DE;
Dongren Wang, Stuttgart, DE;
Deutsche Institute fuer Textil- und Faserforschung Denkendorf, Denkendorf, DE;
Abstract
Latent photoactivatable precatalysts are provided for metathesis polymerization and has the general formula (Ru(NHC)(X)(L)((X)). Wherein NHC is an N-heterocyclic carbene, n=1 or 2; Xis a C1-Cmono or polyhalogenized carbolic acid or trifluoromethane sulfate; Xis a C1-Cmono or polyhalogenized carbolic acid, trifluoromethane sulfate, tetrafluoroborate, hexafluorophosphate, or hexafluoroantimonate; m=0, 1, or 2 and L=a C-Ccarbolic acid nitrile or a C-Ccarbolic acid di or trinitrile; o=6−n−m or 5−n−m and p=2−m.