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:
Jun. 04, 2019
Filed:
Dec. 08, 2015
3m Innovative Properties Company, St. Paul, MN (US);
Yu Yang, Eden Prairie, MN (US);
Jason M. Kehren, Stillwater, MN (US);
Yongshang Lu, Woodbury, MN (US);
Suresh S. Iyer, Woodbury, MN (US);
William M. Lamanna, Stillwater, MN (US);
Thomas P. Klun, Lakeland, MN (US);
Jeffrey A. Peterson, Hugo, MN (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
An ionic diol has formula wherein Rrepresents an alkyl group having from 6 to 18 carbon atoms; Rand Rindependently represent alkyl groups having from 1 to 4 carbon atoms; Rrepresents an alkylene group having from 2 to 8 carbon atoms; and Rrepresents an alkylene group having from 1 to 8 carbon atoms. Antistatic polymers are formed by copolymerization of monomers including a diisocyanate, an ionic diol, a polyether diol, and at least one non-ionic diols. Methods of making the antistatic polyurethanes are also disclosed.