Patents by Inventor Philip B. Dalton

Philip B. Dalton 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).

  • Patent number: 4174443
    Abstract: Novel aza-bis-lactams having the formula: ##STR1## wherein n is an integer from 1 to 3; p is 0 or 1; R.sup.2 and R.sup.4 are independently hydrogen, alkyl having from 1 to 4 carbon atoms, or phenyl; X is methylene, an oxygen atom or --N<.sup.R.spsp.2 ; Y is methylene or, when X is methylene, then Y can also be --N<.sup.R.spsp.2 ; and R, R.sup.1 and R.sup.3 are independently alkylene having from 2 to 6 carbon atoms.
    Type: Grant
    Filed: December 30, 1977
    Date of Patent: November 13, 1979
    Assignee: GAF Corporation
    Inventor: Philip B. Dalton