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:
Apr. 15, 1986
Filed:
May. 29, 1984
Applicant:
Inventor:
Eisuke Hirakawa, Osaka, JP;
Assignee:
Kabushiki Kaisha Alpha Giken, Ibaraki, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
558442 ;
Abstract
.alpha.-cyanoacrylate compounds expressed by the following general formula: ##STR1## wherein R.sup.1 designates --CH.sub.2 -- or ##STR2## and R.sup.2 designates alkyl groups, alkenyl groups or alkynyl groups of C.sub.1 to C.sub.4. These compounds are preferably synthesized by the reaction of the compounds expressed by the following general formula: ##STR3## wherein R.sup.1 and R.sup.2 are same as the above described, with formaldehyde products and then the depolymerization of the resulting dehydrating condensation polymers. These compounds are effectively used as fast-setting adhesives.