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:
Oct. 22, 2024
Filed:
Jun. 12, 2020
3m Innovative Properties Company, St. Paul, MN (US);
Claire Hartmann-Thompson, Lake Elmo, MN (US);
Marina M. Kaplun, Woodbury, MN (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
A dihaloorganosilane is represented by the formula (I): Each X independently represents Cl, Br, or I. Each Arindependently represents a phenylene group optionally substituted by 1 to 4 alkyl groups selected from methyl or ethyl. Each Rindependently represents an alkylene group having from 2 to 18 carbon atoms. Each Rindependently represents methyl or ethyl. Each Rindependently represents an alkylene group having from 1 to 18 carbon atoms. Each Rindependently represents an alkylene group having from 2 to 18 carbon atoms, and n is an integer in a range of 0 to 5, inclusive. Ionic organosilanes preparable from the dihaloorganosilanes are represented by the formula (II): Membrane compositions and membranes containing the ionic organosilanes are also disclosed.