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. 23, 1982
Filed:
Aug. 25, 1980
Applicant:
Inventors:
Heinz Nestler, Troisdorf, DE;
Friedhelm Schnippering, Siegburg, DE;
Assignee:
Dynamit Nobel Aktiengesellschaft, Postfach, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F / ; C07F / ;
U.S. Cl.
CPC ...
556457 ; 556458 ; 556459 ;
Abstract
A process for the preparation of partial hydrolyzates of orthosilicic acid tetra(alkoxyalkyl) ester having a stable shelf life is described by hydrolysis of a silicic acid tetra(alkoxyalkyl) ester with water, suitably in the presence of an acid and optionally in the presence of a solvent, wherein the stoichiometrically necessary amount of water is present at the commencement of the reaction.