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:
Dec. 24, 2002
Filed:
Aug. 15, 1996
Brian D. Bammel, Highland, MI (US);
John D. McGee, Highland, MI (US);
Walter H. Ohrbom, Hartland Township, MI (US);
Todd A. Seaver, Fort Wayne, IN (US);
Gregory G. Menovcik, Farmington Hills, MI (US);
Paul J. Harris, West Bloomfield, MI (US);
John W. Rehfuss, West Bloomfield, MI (US);
BASF Corporation, Southfield, MI (US);
Abstract
A method of preparing a carbamate or urea-functional compound is described comprising the step of reacting a lactone or hydroxy carboxylic acid with a compound (A) comprising a carbamate or urea group or a group that can be converted to a carbamate or urea group, and an active hydrogen group capable of reacting with the hydroxy carboxylic acid or in a ring-opening reaction with a lactone. The compound thus prepared is useful in curable compositions.