Patents by Inventor Alice Robertson Peabody

Alice Robertson Peabody 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: 4116924
    Abstract: A pelletizable pigment concentrate comprising an essentially agglomerate free intimate dispersion of by weight (a) from 20 to 55% of pigment, (b) from 5 to 35% of a friable dispersing resin selected from the group consisting of low molecular weight hydrocarbon type resins and rosin esters and having a softening point range of about 70.degree. to about 195.degree. C., and (c) from 30 to 65% of a polyester base, at least 30% of which is a copolyester of ethylene glycol, at least one aliphatic or cycloaliphatic diol containing 4 to 10 carbon atoms and at least one difunctional dicarboxylic acid or its ester derivative, said copolyester having an IV between about 0.45 and about 0.75 and a melting point range of about 140.degree. to about 200.degree. C.
    Type: Grant
    Filed: October 29, 1976
    Date of Patent: September 26, 1978
    Assignee: Hercules Incorporated
    Inventor: Alice Robertson Peabody