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:
Jul. 03, 2001
Filed:
Feb. 22, 2000
Applicant:
Inventors:
Assignee:
Rohm and Haas Company, Philadelphia, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K 9/16 ; A61K 9/14 ; A61K 4/732 ;
U.S. Cl.
CPC ...
A61K 9/16 ; A61K 9/14 ; A61K 4/732 ;
Abstract
The invention concerns chemical compositions in the form of pellets which disintegrate quickly and efficiently in aqueous media and a method of producing the pellets. Such pellets comprise (a) at least one constituent with pharmaceutical, agrochemical, water treatment, water softening, fabric softening or detergency activity; (b) at least one disintegration agent comprising one or more crosslinked polyacrylate water absorbent polymers with a gel-formation time of 30 seconds or less and (c) at least one water transport agent to transport water into the pellet when the pellet contacts water.