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. 17, 1987
Filed:
Apr. 26, 1984
Applicant:
Inventors:
Jacques Kervennal, Lyons, FR;
Henri Mathais, Saint-Didier-Au-Mont-D'Or, FR;
Raymond Commandeur, Vizille, FR;
Assignee:
Atochem, , FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
560359 ; 252182 ; 560347 ;
Abstract
A liquid composition comprising a mixture of isomers of essentially diisocyanates having the diphenylmethane structure, the distribution by weight of isomers in the composition for each 100 parts by weight of the composition being: