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:
May. 05, 2026
Filed:
Oct. 31, 2022
3m Innovative Properties Company, St. Paul, MN (US);
Rajdeep S. Kalgutkar, Woodbury, MN (US);
David T. Amos, St. Paul, MN (US);
Tianyu Wu, St. Paul, MN (US);
Jeffrey A. Peterson, Hugo, MN (US);
Becky A. Jetto, Jordan, MN (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
Ionomer polyamides membranes are provided, including a reaction product of a polymerizable composition including a first diacid that is a dimer acid; an ionomer component; a first diamine that is an oxyalkylene diamine; at least one second diamine comprising a primary diamine and/or a secondary diamine; and optionally at least one second diacid. The ionomer component is an ionomer diacid, an ionomer diester, or an ionomer diamine. The present disclosure also provides primers containing the ionomer polyamide dispersed in water and/or a lower alcohol. Further, articles are provided including a substrate and the ionomer polyamide or the primer disposed on the substrate. Methods are additionally provided, including methods of making an ionomer polyamide and making an article.