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:
Sep. 24, 2024
Filed:
May. 25, 2020
Laticrete International Inc., Bethany, CT (US);
Suxin Wang, Bethany, CT (US);
Rajeswari Kompalli, Bethany, CT (US);
Eerik Maandi, Bethany, CT (US);
Randall Bright, Bethany, CT (US);
Kelsey R. Dadmun, Bethany, CT (US);
Yunbo Chen, Woodbridge, CT (US);
Scott R. Kowaleski, Seymour, CT (US);
Laticrete International, Inc., Bethany, CT (US);
Abstract
Formulations and coatings that seal and protect sensitive natural porous stone, such as, calcareous stone from acid etching. The formulations include one-part and two-part formulations for coating calcareous stones in interior and exterior environments. Various formulations of the invention may include an acrylic hybrid polymer dispersion, a polyurethane dispersion binder, and water. The polyurethane dispersion binder may include one or more acrylic urethane hybrid polymer dispersions or acrylic dispersions or acrylic hybrid polymer dispersions. The acrylic hybrid polymer dispersion may be an epoxy-acrylic hybrid polymer dispersion. The two-part formulations may further include a first hydroxyl function acrylic binder dispersion and a second epoxy functional silane hardener that are mixed together to form the coatings of the invention.