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. 07, 1977
Filed:
May. 20, 1975
Applicant:
Inventors:
Shinsaku Ogawa, Nebeoka, JA;
Akira Ide, Nebeoka, JA;
Kazurou Komatsu, Nebeoka, JA;
Sojiro Matsumoto, Nebeoka, JA;
Yasushi Kishimoto, Nebeoka, JA;
Assignee:
Asahi Kasei Kogyo Kabushiki Kaisha, Osaka, JA;
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ; C07C / ;
U.S. Cl.
CPC ...
2604 / ; 2604 / ; 2604 / ; 2604 / ;
Abstract
An isocyanate prepolymer represented by the formula ##STR1## wherein n is an integer of 1 to 6, R', R' and R'', which may be the same or different, each represents a divalent aliphatic, araliphatic, aromatic or acyclic group which may contain a ##STR2## bond, and R' and R'' may contain a ##STR3## bond, and a process for producing the same.