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:
May. 20, 1997
Filed:
Jan. 07, 1994
Applicant:
Inventors:
Masahiro Ito, Mishima-gun, JP;
Masaharu Takada, Osaka, JP;
Assignee:
Sunstar Giken Kabushiki Kaisha, Takatsuki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J / ; C08K / ; C08L / ; C08G / ;
U.S. Cl.
CPC ...
524590 ; 524589 ; 528 44 ; 528 59 ; 528 65 ; 528 66 ; 528 85 ;
Abstract
A reactive hot-melt elastic sealant composition which comprises as the main components (A) a polyurethane prepolymer which is prepared by reacting a polyether polyol having a hydroxyl group at the terminus and having a weight average molecular weight of 6,000 to 40,000 and an excess amount of a polyisocyanate compound, and (B) a themoplastic urethane multi-block copolymer resin, in admixture with conventional additives, which has excellent durability, cold resistance, initial adhesive force and maintenance of adhesive force for a long period of time and is useful particularly for adhesive seal of parts in automobiles.