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:
Jul. 19, 1983
Filed:
Nov. 12, 1981
Michael Roth, Burghausen, DE;
Volker Frey, Burghausen, DE;
Wacker-Chemie GmbH, Munich, DE;
Abstract
This invention relates to a process for preparing structural components which comprises preparing a slurry containing a hydraulic binding agent, water, additives and an organo(poly)siloxane of the general formula ##EQU1## where at least 10 percent of the number of R radicals are the same or different alkyl radicals having at least 4 carbon atoms per radical and the other radicals when present are alkyl radicals having from 1 to 3 carbon atoms per radical and/or phenyl radicals, R' represents the same or different alkyl radicals having from 1 to 4 carbon atoms per radical, x is 0, 1, 2 or 3, with an average of from 0.9 to 1.8, y is 0, 1, 2 or 3, with an average of 0.01 to 2.0 and z is 0, 1, 2 or 3, with an average of from 0.00 to 0.5, with the proviso that the sum of x+y+z may not exceed 3.5, molding the slurry and thereafter exposing the molded slurry to aqueous steam.