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. 19, 2023
Filed:
Dec. 02, 2019
Dow Global Technologies Llc, Midland, MI (US);
Rohm and Haas Company, Collegeville, PA (US);
Matthew E. Belowich, Midland, MI (US);
Alvin M. Maurice, Lansdale, PA (US);
Jordan Stracke, Midland, MI (US);
Mark D. Westmeyer, Collegeville, PA (US);
Dow Global Technologies LLC, Midland, MD (US);
Rohm and Haas Company, Collegeville, PA (US);
Abstract
The present invention relates to a compound which is a benzophenone substituted with a hydroxyl-terminated alkylene oxide group (R) of formula 1: where R is a combination of from 1 to 13 propylene oxide groups and from 5 to 20 ethylene oxide groups, with the proviso that the sum of the propylene oxide groups and the ethylene oxide groups is not greater than 25. The compound of the present invention provides a non-volatile, non-toxic photoinitiator that provides excellent gloss retention in exterior architectural coatings.