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:
Jun. 03, 2025
Filed:
Sep. 28, 2022
Applicant:
The Johns Hopkins University, Baltimore, MD (US);
Inventors:
Christopher M. Hoffman, Jr., Odenton, MD (US);
Brian M. Koronkiewicz, Pasadena, MD (US);
Reid E. Messersmith, Severna Park, MD (US);
Mairead E. Bartlett, Takoma Park, MD (US);
Assignee:
The Johns Hopkins University, Baltimore, MD (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 13/16 (2006.01); B32B 15/04 (2006.01); B32B 15/18 (2006.01); B32B 37/12 (2006.01); C09J 5/00 (2006.01); C09J 175/04 (2006.01);
U.S. Cl.
CPC ...
B01J 13/16 (2013.01); B32B 15/043 (2013.01); B32B 15/18 (2013.01); B32B 37/1284 (2013.01); C09J 5/00 (2013.01); C09J 175/04 (2013.01); B32B 2255/06 (2013.01); B32B 2255/26 (2013.01); B32B 2305/54 (2013.01); B32B 2311/30 (2013.01); C09J 2475/00 (2013.01);
Abstract
A microcapsule for use with an underwater adhesive includes a shell including nanoclay platelets and a polyurea product of an interfacial polymerization of a polyamine and an aromatic polyisocyanate. The microcapsule further includes a core composition encapsulated by the shell. The core composition includes a base catalyst for formation of a polyurethane, a polyol, and a hydrophilic solvent.