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:
Aug. 20, 2019
Filed:
Apr. 01, 2016
Applicant:
H.b. Fuller Company, St. Paul, MN (US);
Inventors:
Yuanyan Gu, St Paul, MN (US);
Ryan T. Gleason, Fort Worth, TX (US);
Michael C. Krzoska, Hugo, MN (US);
Steven R. Vaughan, Lake Elmo, MN (US);
Carlos Briseno, St. Paul, MN (US);
Kevin P. Davis, Woodbury, MN (US);
Assignee:
H.B. Fuller Company, St. Paul, MN (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
A61F 13/42 (2006.01); A61L 15/56 (2006.01); A61L 15/20 (2006.01); A61L 15/22 (2006.01); A61L 15/24 (2006.01); A61L 15/34 (2006.01);
U.S. Cl.
CPC ...
A61L 15/56 (2013.01); A61F 13/42 (2013.01); A61L 15/20 (2013.01); A61L 15/225 (2013.01); A61L 15/24 (2013.01); A61L 15/34 (2013.01); A61F 2013/422 (2013.01); A61F 2013/426 (2013.01); A61F 2013/427 (2013.01);
Abstract
A hot melt wetness indicator composition that includes a water insoluble thermoplastic polymer, an anionic surfactant, a leuco dye, and a component selected from the group consisting of acid, rosin-based tackifying agent, plasticizer and combinations thereof, and is homogeneous is disclosed. The hot melt wetness indicator composition exhibits a color change after contact with water.