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:
Jun. 14, 1983
Filed:
Aug. 17, 1981
Applicant:
Inventors:
Kaoru Ueyanagi, Nobeoka, JP;
Akira Ide, Nobeoka, JP;
Masaaki Kato, Fuji, JP;
Kazuro Komatsu, Hyuga, JP;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
2604 / ; 2602 / ; 544222 ; 560 24 ; 560115 ; 560159 ;
Abstract
A process for preparing a modified aliphatic, alicyclic or araliphatic organic polyisocyanate composition which comprises heating an aliphatic, alicyclic or araliphatic organic polyisocyanate composition having at least two isocyanate groups in one molecule at a temperature of from about 100.degree. C. to about 200.degree. C. in the presence of an aliphatic, alicyclic or araliphatic organic diisocyanate monomer in an amount of at least about 1/2 of the weight of the organic polyisocyanate composition and removing unreacted aliphatic, alicyclic or araliphatic organic diisocyanate monomer.