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. 08, 1998
Filed:
Jan. 11, 1996
Applicant:
Inventor:
Donald Douglas May, Chadds Ford, PA (US);
Assignee:
E. I. du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ; C07C / ; C08G / ;
U.S. Cl.
CPC ...
544222 ; 560 25 ; 560 26 ; 560 27 ; 562439 ; 564 38 ; 528 59 ; 2521822 ;
Abstract
Products prepared by reacting polyisocyanates with alkenyl or alkynyl compounds; then with perfluoroalkyl iodides & dehydroiodinating the product.