Patents Examined by Jr. Thomas
  • Amidine compounds
    Patent number: 4129739
    Abstract: The amidine compounds of the invention have the general formula: ##STR1## where R.sub.2 is lower alkyl,R is phenyl substituted with halo and nitro, andR.sub.3 is selected from phenyl and phenyl substituted with one or more of halo, nitro and alkoxy, and combinations thereof which may be utilized advantageously as intermediates in the manufacture of particularly useful, high quality pyrazolone color formers which have proven especially difficult to make in high yields by other methods or techniques known in the art.
    Type: Grant
    Filed: November 15, 1976
    Date of Patent: December 12, 1978
    Assignee: GAF Corporation
    Inventors: David J. Tracy, Walter F. Hoffstadt
  • Hydroformylation process
    Patent number: 3984478
    Abstract: A hydroformylation process comprising the treatment of an unsaturated compound with carbon monoxide and hydrogen in the presence of a heterogeneous catalyst system comprising a metal selected from the group consisting of a rhenium, rhodium, cobalt, ruthenium, iridium and osmium phthalocyanine compound is disclosed.
    Type: Grant
    Filed: May 27, 1975
    Date of Patent: October 5, 1976
    Assignee: Universal Oil Products Company
    Inventor: Edwin H. Homeier