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:
Nov. 01, 1977
Filed:
Feb. 03, 1976
Applicant:
Inventors:
Marc Della Faille, Floree, BE;
Pierre Delvaux, Brussels, BE;
Pierre Godard, Brussels, BE;
Jean Pierre Mercier, Kessel-Lo, BE;
Assignee:
S. A. Eternit, Kapelle op den Bos, BE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ; B05D / ;
U.S. Cl.
CPC ...
428443 ; 428446 ; 428451 ; 428539 ; 4273 / ; 427399 ; 4274 / ;
Abstract
A method for processing porous materials with at least one water-insoluble polymerizable compound and the products obtained, said method comprising the following steps in successive order: impregnating a porous material, especially one consisting essentially of a hydraulic binder and a granular or fibrous filler, with said compound; fully covering the thus impregnated material with an aqueous solution of a salt which precipitates when contacted with the hydraulic binder; and polymerizing the compound in the impregnated material while covered with the saline solution.