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:
Feb. 28, 1989
Filed:
May. 14, 1987
Applicant:
Inventors:
Franklin Boardman, Englishtown, NJ (US);
John M Lesniak, Hazlet, NJ (US);
Assignee:
Johnson & Johnson Patient Care, Inc., New Brunswick, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08J / ;
U.S. Cl.
CPC ...
521 505 ; 5253297 ; 5253303 ; 525360 ; 525366 ; 525917 ; 525918 ; 528271 ; 528392 ; 528395 ; 528485 ; 528488 ; 528499 ; 528503 ;
Abstract
The present invention provides an acrylate superabsorbent composition having an improved rate of absorbency, low residual acid content, and a low acrylate monomer content. Acrylic acid, an alkali metal salt of carbonic acid, aluminum acetate, sodium sulfate and water are uniformly reacted preferably using microwave radiation as the heat source.