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

Ethoxylated acetylenic glycols having low dynamic surface tension

Patent 5650543 Issued on July 22, 1997. Estimated Expiration Date: Icon_subject August 31, 2015. 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

3268593

Acetylenic alcohols, their derivatives and process for their production Patent #: 4117249
Issued on: 09/26/1978
Inventor: De Simone ,   et al.

Inventor

Assignee

Application

No. 524129 filed on 08/31/1995

US Classes:

568/616Carbon to carbon unsaturation containing

Examiners

Primary: Richter, Johann
Assistant: Peabody, III, John D.

Attorney, Agent or Firm

Foreign Patent References

  • 44-20450 JP 09/12/1969

International Class

C07C 043/15

Abstract

This invention relates to ethoxylated acetylenic glycol compositions represented by the formula: ##STR1## wherein m and n are integers and the sum is from 4-12. These ethoxylated acetylenic diols are excellent as surfactants alone or admixed with other surfactants for use in water borne coatings.

Other References

  • Schwartz, Joel "The Importance of Low Dynamic Surface Tension in Waterborne Coatings" Journal of Coatings Technology (1992
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