US Patent 7214718 Quaternary ammonium salt composition

Patent 7214718 was granted and assigned to Kao Corporation on May, 2007 by the United States Patent and Trademark Office.

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Is a

Patent

Patent attributes

Current Assignee

Kao Corporation

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

7214718

Date of Patent

May 8, 2007

Patent Application Number

10111977

Date Filed

October 27, 2000

Patent Primary Examiner

‌

Daniel S. Metzmaier

Patent abstract

The present invention provides a softening base and a softener having biodegradability employing a quaternary ammonium salt composition comprising (M) a monoester quaternary salt represented by the formula (I), (D) a diester quaternary salt represented by the formula (II) and (T) a triester quaternary salt represented by the formula (III), wherein the amount of (M) is 15 to 85% by weight, the amount of (D) is 0 to 44% by weight and the amount of (T) is 15 to 85% by weight based on the total amounts of (M), (D) and (T). The present invention also provides a process for producing the softener base and composition.