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:
Feb. 09, 2021
Filed:
Dec. 10, 2018
Rohm and Haas Company, Collegeville, PA (US);
James C. Bohling, Lansdale, PA (US);
Ibrahim Eryazici, Phoenixville, PA (US);
Philip R. Harsh, Birdsboro, PA (US);
Christopher Kozak, Audubon, PA (US);
Partha S. Majumdar, Harleysville, PA (US);
Edwin Aloysius Nungesser, Jr., Horsham, PA (US);
Andrew Swartz, Fleetwood, PA (US);
Rohm and Haas Company, Collegeville, PA (US);
Abstract
The present invention relates to a matte coating composition comprising an aqueous dispersion of a) polymer particles having an average particle size in the range of from 80 nm to 500 nm; b) polymeric organic crosslinked microspheres having a particle size in the range of from 1 μm to 20 μm; c) polyethylene wax particles having a particle size in the range of from 0.3 μm to 30 μm; and d) a rheology modifier. The composition of the present invention gives matte finish coatings with excellent burnish resistance.