IP Library Granted Patent US 6,881,715
Granted Patent B2
US 6,881,715 · App. 10/290,595 · Granted Apr 19, 2005

Compositions useful as rinse cycle fabric softeners

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Quick Facts
Patent No.
US 6,881,715
App. No.
10/290,595
Granted
Apr 19, 2005
Kind
B2
Abstract

Compositions and methods of treating textiles are disclosed. More specifically, stable compositions and methods for softening a wide range of fabrics are disclosed, including 100% cotton and hydrophobic synthetic fabrics, without detrimentally affecting the water absorbency properties of the fabrics. The compositions may contain at least one fatty material and at least one polyorganosiloxane.

Claims (11)

1. A method of treating a textile, comprising the step of contacting said textile with a composition comprising:

a. at least one fatty material; and

b. at least one water-soluble or water-dispersible polyorganosiloxane having substituents;

wherein said fatty material is:

a nonionic fatty acid ester;

wherein said polyorganosiloxane is present at a level of at least 35% by weight, based on the total weight of said fatty material and said polyorganosiloxane;

wherein said substituents comprise at least 5% by weight, based on the total weight of said substituents, of non-terminal hydroxyl.

2. The method of claim 1 , wherein said polyorganosiloxane has a melting point less than about 38° C.

3. The method of claim 1 , wherein said polyorganosiloxane does not contain nitrogen.

4. The method of claim 1 , wherein said textile is made from hydrophilic fibers, hydrophobic fibers or a combination thereof.

5. The method of claim 1 , wherein said composition is added to the rinse water in the laundering process.

Assignments (4)
RELEASE OF SECURITY INTEREST Recorded Aug 31, 2018
From: FIFTH THIRD BANK
To: OPTIMER, INC.
Reel/Frame 046766/0716 →
RELEASE OF SECURITY INTEREST Recorded Aug 23, 2018
From: WINTRUST BANK
To: DRIFIRE, LLC; OPTIMER, INC.; OPTIMER PERFORMANCE FIBERS, INC.
Reel/Frame 046674/0304 →
SECURITY INTEREST Recorded Feb 23, 2015
From: DRIFIRE, LLC; OPTIMER, INC.; OPTIMER PERFORMANCE FIBERS, INC.
To: WINTRUST BANK
Reel/Frame 035008/0830 →
SECURITY AGREEMENT Recorded Jun 13, 2012
From: OPTIMER, INC.
To: FIFTH THIRD BANK
Reel/Frame 028371/0963 →