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:
Jun. 12, 1984
Filed:
Mar. 22, 1982
Applicant:
Inventor:
Frank Meyer, Essen, DE;
Assignee:
Bergwerksverband GmbH, Essen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ; C08G / ; C09K / ; E02D / ;
U.S. Cl.
CPC ...
521110 ; 521126 ; 521173 ; 521904 ; 521905 ; 523132 ; 528905 ; 528 58 ; 405264 ;
Abstract
Processes for sealing and strengthening water-bearing geological formations by injection thereinto a polyurethane-resin-forming composition that is especially suitable for this purpose which comprises a conventional polyisocyanate, a conventional polyol, an accelerator for the reaction between the polyisocyanate and the polyol, and a foam stabilizer.