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US4804483A Expired / Lapsed US ⏱️ 0.0 years remaining

Cationic soil release polymers

Assignee: Eastman Chemical Co
•
Filing: 1988-01-13
•
Granted: 1989-02-14
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Expires: 2008-01-13
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Abstract

Abstract The present application relates to cationic block polyesters useful as soil release agents, softeners and antistatic agents. In addition to cleaning performance, laundry detergent compositions should have other benefits. One is the ability to impart soil release properties to fabrics woven from polyester fibers.

Inventors

  • 👤 Anthony J. O'Lenick, Jr.
  • 👤 Joseph J. Fanelli

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 14:23
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/16; C11D3/37; C11D3/3703; C11D3/3715; C11D3/0005; C11D3/0036

Claims Analysis

Total Claims: 16
Claim 1
Independent Claim 35 words
A compound which is the poly quaternary salt of a reaction product of an alkylene oxide and an aromatic polycarboxylic acid wherein the reaction product contains a terminal ester group of a halogenated monocarboxylic acid.
Claim 2
Dependent Claim 35 words
A compound which is the poly quaternary salt of a reaction product of an alkylene oxide and an aromatic polycarboxylic acid wherein the reaction product contains a terminal ester group of a halogenated monocarboxylic acid.
Claim 3
Dependent Claim 15 words
The compound of claim 1 wherein the halogenated monocarboxylic acid is a halogenated acetic acid.
Claim 4
Dependent Claim 13 words
The compound of claim 1 wherein the polycarboxylic acid is a dicarboxylic acid.
Claim 5
Dependent Claim 12 words
The compound of claim 1 wherein the alkylene oxide is ethylene oxide.
Claim 6
Dependent Claim 20 words
The compound of claim 1 containing from 5 to 300 moles of alkylene oxide per mole of the polyquaternary salt.
Claim 7
Dependent Claim 14 words
The compound of claim 1 wherein the poly quaternary salt contains two quaternary groups.
Claim 8
Dependent Claim 19 words
The compound of claim 1 wherein the poly quaternary is formed at least in part by an imidazoline structure.
Claim 9
Dependent Claim 35 words
The compound of claim 1 wherein the cationic portion of the polyquaternary is formed at least in part by a mononitrogen containing compound having at least one aliphatic group of 6 or more carbon atoms.
Claim 10
Dependent Claim 13 words
The compound of claim 1 wherein the polycarboxylic acid is a phthalic acid.
Claim 11
Dependent Claim 13 words
The compound of claim 1 wherein the halogenated monocarboxylic acid is monochloroacetic acid.
Claim 12
Dependent Claim 13 words
The compound of claim 1 wherein the polycarboxylic acid contains a sulfonate group.
Claim 13
Dependent Claim 21 words
The compound of claim 11 wherein the sulfonate group is pendant from an aromatic ring and is an alkali metal sulfonate.
Claim 14
Dependent Claim 18 words
The compound of claim 1 wherein the alkylene oxide is a mixture of ethylene oxide and propylene oxide.
Claim 15
Dependent Claim 8 words
The compound of claim 1 and a surfactant.
Claim 16
Dependent Claim 12 words
The compound of claim 14 wherein the surfactant is a non-ionic surfactant.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1992-02-14 1992-08-15 1993-02-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1996-02-14 1996-08-15 1997-02-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2000-02-14 2000-08-15 2001-02-14 $7700.00 Window Closed / Lapsed

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