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:
May. 30, 1989
Filed:
Oct. 13, 1987
Applicant:
Inventors:
Michael Roth, Burghausen, DE;
Herbert Gluck, Emmerting, DE;
Assignee:
Wacker-Chemie GmbH, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05D / ; B05D / ;
U.S. Cl.
CPC ...
427299 ; 427136 ; 427387 ; 4273936 ;
Abstract
A method for imparting water repellency to absorbent inorganic building materials by first contacting at least a part of the surface of the building materials to be rendered water repellent, with at least partially liquid water and thereafter applying a solution containing an organosilicon compound and a water-immiscible organic solvent to the moist surface of the inorganic building materials.