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. 18, 2000
Filed:
Feb. 28, 1994
Applicant:
Inventors:
Howard Franklin Stewart, Midland, MI (US);
Daniel Graiver, Midland, MI (US);
Robert E Kalinowski, Auburn, MI (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C11D / ;
U.S. Cl.
CPC ...
510130 ; 510133 ; 510141 ; 510447 ; 510450 ;
Abstract
What is disclosed herein are new and novel hydrogel soaps and a process for obtaining them which comprises providing surface active agents in a pre-hydrogel mixture, and then forming the hydrogel. The process affords solid soaps which do not change significantly in size during use, have wide varying mechanical properties including high strengths in spite of the very high water content of the soaps, and moreover, unexpectedly provide uniform release of the surfactants and/or detergents slowly over a long period of time.