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:
Apr. 29, 2025
Filed:
Jun. 12, 2020
Applicant:
Omnova Solutions Inc., Beachwood, OH (US);
Inventors:
Juergen Heidlas, Houston, TX (US);
Bertrand Guichard, Villecresnes, FR;
Patrick Vongphoutone, Bussy Saint Georges, FR;
Douglas J. Harrison, Stafford, TX (US);
Aj Marino, Stafford, TX (US);
Assignee:
SYNTHOMER INC., Beachwood, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 212/12 (2005.12); C04B 24/26 (2005.12); C04B 28/02 (2005.12); C08F 212/14 (2005.12); C08F 220/18 (2005.12); C09K 8/493 (2005.12); E21B 33/14 (2005.12); C04B 103/00 (2005.12); C04B 103/40 (2005.12); C08F 212/32 (2005.12);
U.S. Cl.
CPC ...
C09K 8/493 (2012.12); C04B 24/2647 (2012.12); C04B 24/2676 (2012.12); C04B 24/2688 (2012.12); C04B 28/02 (2012.12); C08F 212/12 (2012.12); C08F 220/1804 (2020.01); E21B 33/14 (2012.12); C04B 2103/0052 (2012.12); C04B 2103/408 (2012.12); C08F 212/14 (2012.12); C08F 212/32 (2012.12); C08F 220/1808 (2020.01); C08F 2800/20 (2012.12); C08F 2810/20 (2012.12);
Abstract
Hydrocarbon swelling particles for wellbore cementing include a crosslinked polymer comprising vinyl aromatic monomer and/or (meth)acrylic monomer.