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:
Nov. 22, 2011
Filed:
Oct. 05, 2006
Applicants:
Sharf U. Ahmed, Woodbury, MN (US);
Stephen G. Rippe, White Bear Lake, MN (US);
Inventors:
Sharf U. Ahmed, Woodbury, MN (US);
Stephen G. Rippe, White Bear Lake, MN (US);
Assignee:
H.B. Fuller Company, St. Paul, MN (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01D 21/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A wetness indicating composition is disclosed that changes color in response to a change in pH. The composition comprises a water-insoluble, thermoplastic polymer composition, a superabsorbent polymer, a wetness indicator, and surfactant. The wetness indicating composition is useful in disposable absorbent articles, e.g., disposable diapers, feminine napkins, medical dressings and beddings for humans and animals.