U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Oil and water repellent compositions

Patent 5536304 Issued on July 16, 1996. Estimated Expiration Date: Icon_subject October 14, 2014. 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.

Patent References

3341497

3420697

3445491

3470124

3544537

3546187

Process and composition for water- and oil-proofing textiles
Patent #: 3955027
Issued on: 05/04/1976
Inventor: Vaughn

Urethanes containing two perfluoroalkylthio groups
Patent #: 4054592
Issued on: 10/18/1977
Inventor: Dear ,   et al.

Textile treating compositions for increasing water and oil repellency of textiles
Patent #: 4070152
Issued on: 01/24/1978
Inventor: Pentz

Fluoroaliphatic radical and carbodiimide containing compositions for fabric treatment
Patent #: 4215205
Issued on: 07/29/1980
Inventor: Landucci

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Inventors

Application

No. 323381 filed on 10/14/1994

US Classes:

252/8.57, LEATHER OR FUR TREATING (OTHER THAN CLEANING COMPOSITIONS OR AUXILIARY COMPOSITIONS FOR CLEANING)106/287.13, C bonded directly to Si atom106/287.14, H or alkyl directly bonded to Si106/287.16, Si-O-C bonded compound106/287.27, Halogen containing106/287.28, Organic halide249/214, Having weakened area to facilitate breaking252/2, FIRE-EXTINGUISHING252/8.62, Oil or water repellent or soil resistant or retardant428/421, Of fluorinated addition polymer from unsaturated monomers428/447, As siloxane, silicone or silane524/265, Oxygen atom other than as Si-O-Si and at least one Si-C or Si-H group524/462, Mixing with fluorine- or iodine-containing organic compound or composition; or product thereof DNRM525/104, Solid polymer from ethylenic reactants only is derived from reactant containing halogen atom525/464, Mixed with silicon-containing reactant or polymer derived therefrom525/474, Solid polymer derived from silicon-containing reactant549/214Silicon containing

Examiners

Primary: Bonner, Melissa

Attorney, Agent or Firm

Foreign Patent References

  • 312949 EP. 04/19/1989
  • 62-104975 JP. 05/19/1987

International Class

B32B 009/04

Foreign Application Priority Data

1993-10-19 EP

Abstract

The invention relates to a water and oil repellency imparting composition which comprises:(a) a fluoroaliphatic radical-containing agent; and(b) a cyclic carboxylic anhydride-containing polysiloxane. Additionally, the composition may comprise:(c) an extender and/or a plasticizer. The composition provides water and oil repellent properties and a soft hand to fibrous and other substrates treated therewith.

Other References

  • Banks, Ed., Organofluorine Chemicals and Their Industrial Applications, Ellis Horwood Ltd., Chichester, England, 1979, pp. 226-234
  • Walter Noll, Chemistry and Technology of Silicones, Academic Press, New York, pp. 585-603 (1968
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