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:
Dec. 04, 1984
Filed:
Apr. 05, 1984
Applicant:
Inventors:
Herwig Fritsch, Gladbeck, DE;
Gotz Koerner, Essen, DE;
Herbert Quilitsch, Heiligenhaus, DE;
Eckehard Schamberg, Essen, DE;
Assignee:
Th. Goldschmidt AG, , US;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A23F / ;
U.S. Cl.
CPC ...
427387 ; 428447 ; 528 10 ; 528 17 ; 528 18 ; 524859 ; 525477 ;
Abstract
A composition for making building materials water-repellent, before or after they are shaped, the composition containing organoalkoxysiloxanes of the formula ##STR1## in which R.sup.1 is an alkyl or aryl radical, R.sup.2 is an alkyl radical with 1 to 4 carbon atoms, a=0.8 to 1.5, and b is not greater than 2. The composition contains