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:
May. 06, 2008
Filed:
Jun. 11, 2004
Walter H. Ohrbom, Hartland Township, MI (US);
Marvin L. Green, Brighton, MI (US);
Gregory G. Menovcik, Farmington Hills, MI (US);
Walter H. Ohrbom, Hartland Township, MI (US);
Marvin L. Green, Brighton, MI (US);
Gregory G. Menovcik, Farmington Hills, MI (US);
BASF Corporation, Southfield, MI (US);
Abstract
Disclosed is a method of making an environmentally durable material, the method requiring providing a material comprising at least one functional group F, and subjecting the material to a free radical source such that substantially all functional groups Fare eliminated but the material is not polymerized. In one embodiment, the functional group Fis at least one of a nonaromatic carbon-carbon double bond, a hydrogen atom alpha to an aromatic ring, a hydrogen atom alpha to a carbon-carbon double bond, or a hydrogen atom attached to a tertiary substituted carbon. In another embodiment, functional group Fis present in the material as a contaminant. In one exemplary embodiment, the material comprises from 0.05 to less than 15% by weight of functional group F, based on the total weight of the material.