Patents by Inventor Edmund P. Woo

Edmund P. Woo has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Aromatic dianhydrides
    Patent number: 4263209
    Abstract: Novel aromatic dianhydride compounds are described of the formula ##STR1## wherein Ar, R' and R" are named substituents, and both x's are either zeros or ones.
    Type: Grant
    Filed: January 21, 1980
    Date of Patent: April 21, 1981
    Assignee: The Dow Chemical Company
    Inventor: Edmund P. Woo
  • Substituted crown polyethers
    Patent number: 4256859
    Abstract: Substituted crown polyethers and processes for their manufacture and use are disclosed.
    Type: Grant
    Filed: March 28, 1979
    Date of Patent: March 17, 1981
    Assignee: The Dow Chemical Company
    Inventor: Edmund P. Woo
  • Bis-dicyanoalkyl arene compounds
    Patent number: 4239694
    Abstract: Novel bis-dicyanoalkyl arene compounds are described of the formula ##STR1## wherein Ar, R.sub.1 and R.sub.2 are named substituents, Y is hydrogen or ##STR2## where R.sub.3 is an alkyl radical having 1 to 10 carbon atoms, and both n's are zeros or ones; provided that when both n's are zeros, Y is ##STR3## and when both n's are ones, Y is hydrogen.
    Type: Grant
    Filed: December 26, 1979
    Date of Patent: December 16, 1980
    Assignee: The Dow Chemical Company
    Inventor: Edmund P. Woo
  • Thermally resistant thermosetting aromatic polymers containing pendant 1-alkynyl substituents
    Patent number: 4221895
    Abstract: Thermally resistant thermoset polymers are formed by heating a thermosetting aromatic prepolymer having at least two pendant alkynyl groups, e.g., a thermosetting prepolymer represented by the formula: ##STR1## The resulting thermoset polymers are sufficiently resistant to heat to be usefully employed as engine parts in the internal combustion engines of automobiles and the like.
    Type: Grant
    Filed: April 18, 1978
    Date of Patent: September 9, 1980
    Assignee: The Dow Chemical Company
    Inventor: Edmund P. Woo