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. 27, 2016
Filed:
Sep. 18, 2014
Michael H. Johnson, Katy, TX (US);
Nicholas Carrejo, Katy, TX (US);
Michael H. Johnson, Katy, TX (US);
Nicholas Carrejo, Katy, TX (US);
BAKER HUGHES INCORPORATED, Houston, TX (US);
Abstract
A seal comprises: a first portion including a crosslinked product of: a first crosslinked polymer; and a second crosslinked polymer; and a second portion including a polymer which is different than a constituent polymer in the first portion, wherein the seal has a gradient in glass transition temperature. A method for sealing comprises: disposing the seal of Claimin an opening; heating the seal to a temperature greater than a minimum value of the glass transition temperature of the gradient; and applying pressure to an elastic portion of the seal for sealing the opening.