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.:

US 6786680 B1

PDF
Full Text
Expired
Date of Patent:
Sep. 07, 2004

Filed:

Mar. 15, 2001
Applicant:
Inventors:

Peter H. Markusch, McMurray, PA (US);

Ralf Guether, Pittsburgh, PA (US);

Assignee:

Bayer MaterialScience LLC, Pittsburgh, PA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05D 3/02 ; B32B 2/700 ; B32B 2/740 ; E02D 1/720 ; C09K 1/700 ;
U.S. Cl.
CPC ...
B05D 3/02 ; B32B 2/700 ; B32B 2/740 ; E02D 1/720 ; C09K 1/700 ;
Abstract

Seams are sealed and surface defects are repaired in a polyurethane/geotextile composite applied over concrete, an earthen canal or a ditch with a non-sagging polyurethane composition. This non-sagging polyurethane composition is a reaction product of a polyisocyanate, a high molecular weight polyhydroxyl compound, and a compound containing at least two amino groups. A low molecular weight diol or triol, a catalyst and a filler are optionally included in the polyurethane-forming reaction mixture.


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Markusch, Peter. (2004). Process for patching canals and ditches with a non-sagging polyurethane composition (U.S. Patent No. 6786680). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6786680

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