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:
Sep. 11, 2001
Filed:
Dec. 23, 1998
Applicant:
Inventor:
James W. Rosthauser, Pittsburgh, PA (US);
Assignee:
Bayer Corporation, Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B27N 3/02 ; C08J 5/06 ;
U.S. Cl.
CPC ...
B27N 3/02 ; C08J 5/06 ;
Abstract
This invention relates to a process for the production of composite wood products. This process comprises a) applying a thixotropic binder composition to wood particles, and b) molding or compressing the wood particles treated with the binder to form a composite wood product. Suitable thixotropic binder compositions comprise a polymethylene poly(phenyl isocyanate) and a thixotropic agent having a viscosity of less than 1,000 cps at high shear.