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

Silicone polyether alkyl copolymer synthesis

Patent 5451692 Issued on September 19, 1995. Estimated Expiration Date: Icon_subject December 29, 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

3172899

3560544

3629308

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Issued on: 08/19/1980
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Issued on: 05/19/1981
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Personal-care emulsions comprising a siloxane-oxyalkylene copolymer
Patent #: 4311695
Issued on: 01/19/1982
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Silicone emulsifier composition, invert emulsions therefrom and method therefor
Patent #: 4421656
Issued on: 12/20/1983
Inventor: Donatelli ,   et al.

Use of organosilicon compounds to thicken oils
Patent #: 4844826
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Cross-linked organopolysiloxanes and emulsions based thereon
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Issued on: 08/01/1989
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Inventors

Assignee

Application

No. 366129 filed on 12/29/1994

US Classes:

556/445Two carbons bonded directly to the same oxygen

Examiners

Primary: Shaver, Paul F.

Foreign Patent References

  • 0125779 EP. 11/12/1984
  • 0310903 EP. 04/12/1989
  • 3622571 DE. 01/12/1988

International Class

C07F 007/08

Abstract

There is disclosed novel silicone polyether alkyl copolymers, and a method for their preparation, for use as emulsifiers in improved stability water-in-oil emulsions.

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