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:
Nov. 02, 2021
Filed:
Feb. 22, 2019
Dow Global Technologies Llc, Midland, MI (US);
Rohm and Haas Company, Collegeville, PA (US);
Arkady L. Krasovskiy, Lake Jackson, TX (US);
Kefu Sun, Freeport, TX (US);
Keran Lu, Lake Jackson, TX (US);
Scott T. Matteucci, Midland, MI (US);
Alexander Williamson, Lake Jackson, TX (US);
Jose Eduardo Ruiz, Freeport, TX (US);
Michelle Gallagher, Collegeville, PA (US);
Harpreet Singh, Lake Jackson, TX (US);
Dow Global Technologies LLC, Midland, MI (US);
Rohm and Haas Company, Collegeville, PA (US);
Abstract
The present disclosure provides a film. In an embodiment, a film for suppressing odors is provided and includes a composition of (A) from 85 wt % to 99 wt % of a thermoplastic polymer and (B) from 15 wt % to 1 wt % of an odor suppressant. The odor suppressant is a blend composed of (Bi) particles of zinc oxide and (Bii) zinc ionomer. The zinc oxide particles (Bi) have a D50 particle size from 100 nm to 3000 nm, a surface area from 1 m/g to 9 m/g, and a porosity less than 0.020 m/g. The composition has a methyl mercaptan odor suppression value less than 70 at 3 days exposure to methyl mercaptan as measured in accordance with ASTM D5504-12.