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:
Mar. 08, 2011
Filed:
Mar. 26, 2004
Applicants:
Marcel Vos, Ijmuiden, NL;
Mark Plehiers, Brussels, BE;
Michel Gillard, Louvain-la-Neuve, BE;
Inventors:
Assignee:
SigmaKalon B.V., Uithoorn, NL;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G 77/04 (2006.01); C08G 77/06 (2006.01); C08G 77/14 (2006.01); C08G 77/22 (2006.01); C08G 75/00 (2006.01); C08G 79/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides a process for the preparation of poly(silyl ester)s comprising a structural unit of the formula (I) wherein the process comprises the step of reacting a polyacid of formula (II) with a polyacyloxysilyl derivative of formula (III) while removing the formed acid group(s) of formula RZ(O)OH (IV). RZ(O)OH (V), and RZ(O)OH (VI) from the system.