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:
Dec. 28, 2004
Filed:
Apr. 19, 2002
Applicant:
Inventors:
Assignee:
Daiso Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; C08F / ; C08F / ; C07C 4/100 ; C07C 4/315 ;
U.S. Cl.
CPC ...
C08F / ; C08F / ; C08F / ; C07C 4/100 ; C07C 4/315 ;
Abstract
A crosslinking agent containing a polyallyl ether compound having at least one hydroxyl group derived from a glycidyl group and at least two allyl groups can be used for the production of a highly water-absorbing polymer comprising a polymerizable compound having a carbon-carbon double bond or a salt thereof, has a high solubility in aqueous solution of the monomer and gives a highly water-absorbing polymer having water absorptivity required at practical levels.