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. 20, 1995
Filed:
Sep. 06, 1994
Applicant:
Inventors:
Assignee:
Daicel Chemical Industries, Inc., Saka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ;
U.S. Cl.
CPC ...
549202 ; 549546 ;
Abstract
Disclosed are the improvements of a process for the preparation of a purified 3,4-epoxycyclohexyl methyl (meth)acrylate and 3,4-epoxycyclohexyl methyl (meth)acrylate which is prepared by the improvements, including only minor amounts of polymers having a low molecular weight composed of 3,4-epoxycyclohexyl methyl (meth)acrylate itself. Furthermore, disclosed is a 3,4-epoxycyclohexyl methyl (meth)acrylate composition which has an excellent resistance to coloring, including a specified organic phosphorous compound.