Liquid fabric softener

Patent 4661269 Issued on April 28, 1987. Estimated Expiration Date:

March 28, 2005. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Abstract Claims Description Full Text

Patent References

3644203

3775316

Process for the electrolysis of a molten charge using inconsumable anodes
Patent #: 3974046
Issued on: 08/10/1976
Inventor: Alder

Fabric softener
Patent #: 3974076
Issued on: 08/10/1976
Inventor: Wiersema , et al.

Additives for clothes dryers
Patent #: 4327133
Issued on: 04/27/1982
Inventor: Rudy , et al.

Concentrated fabric softening compositions
Patent #: 4399045
Issued on: 08/16/1983
Inventor: Burns

Additives for clothes dryers
Patent #: 4421792
Issued on: 12/20/1983
Inventor: Rudy , et al.

Aqueous fabric softening compositions
Patent #: 4424134
Issued on: 01/03/1984
Inventor: Sissin , et al.

Concentrated fabric softening composition
Patent #: 4426299
Issued on: 01/17/1984
Inventor: Verbruggen

Concentrated fabric softening compositions
Patent #: 4439335
Issued on: 03/27/1984
Inventor: Burns

More ...

Inventors

Assignee

The Procter & Gamble Company

Application

No. 06/717051 filed on 03/28/1985

US Classes:

510/522, Liquid composition510/525Water-miscible organic solvent component (e.g., lower alkanol, ethylene glycol, etc.)

Examiners

Primary: Lieberman, Paul
Assistant: Thompson, Willie J.

Attorney, Agent or Firm

International Classes

C11D 1/38 (20060101)
C11D 3/00 (20060101)
C11D 1/645 (20060101)

Abstract

Liquid fabric softening compositions for use in a rinse bath after washing fabrics with a detergent. The softening compositions contain (a) the reaction products of higher fatty acids with a polyamine selected from the group consisting of hydroxyalkylalkylenediamines and dialkylenetriamines and mixtures thereof, (b) cationic nitrogenous salts having only one long chain acyclic aliphatic hydrocarbon group, and optionally (c) cationic nitrogenous salts having two or more long chain acyclic aliphatic hydrocarbon groups or one said group and an arylalkyl group; these compositions provide good softening performance across major types of detergents.

Other References

"Cationic Surface Active Agents as Fabric Softeners," R. R. Egan, Journal of the American Oil Chemists Society, Jan. 1978, pp. 118-121
"How to Choose Cationics for Fabric Softeners", J. A. Ackerman, Journal of the American Oil Chemists Society, Jun. 1983, pp. 1166-1169
"Cationic Fabric Softeners", W. P. Evans, Industry and Chemistry, Jan. 1969, pp. 893-903
"Condensation Products from ଲ-Hydroxyethylenediamine and Fatty Acids or Their Alkyl Esters and Their Application as Textile Softeners in Washing Agents", H. W. Eckert, Fette-Seifen-Anstrichmittel, Sep. 1972, pp. 527-533
"Effect of Shielding of Head Group of Surfactant on the Microemulsion Region of the Systems Water/Decane/Pentanol/Hexadecyltrialkylammonium Bromides," Friberg et al., J. Dispersion Science and Technology, 7(1), pp. 43-55, (1986)