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:
Mar. 04, 1997
Filed:
Dec. 07, 1995
Peter H Markusch, McMurray, PA (US);
Jack W Hausser, Bethel Park, PA (US);
Rick V Starcher, Monaca, PA (US);
Bayer Corporation, Pittsburgh, PA (US);
Abstract
The present invention relates to a process for repairing plastic parts with non-sagging, sandable polyurethane compositions. These compositions are prepared by mixing A) a liquid polyisocyanate having an isocyanate content of from about 10 to 50% by weight; B) a liquid isocyanate-reactive mixture comprising: i) one or more high molecular weight, hydroxyl group containing compounds, ii) one or more organic compounds containing amine groups, and iii) of one or more low molecular weight diols or triols; and C) an inorganic filler mixture consisting of: 1) of glass flakes, and 2) of another inorganic filler. Components A) and B) are present in quantities such that the isocyanate index is from 90 to 120. Component C) is dispersed phase-stable in either or both component A) and/or component B) prior to mixing components A) and B).