Patents Represented by Attorney D. H. Rainear

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  • Epoxidized polyamide wet strength resin containing lecithin
    Patent number: 4970250
    Abstract: A composition comprising epoxidized polyamide wet strength resin and lecithin. The composition provides wet strength to paper and molded pulp products and at the same time increases the internal bonding of the paper or molded pulp products.
    Type: Grant
    Filed: September 25, 1989
    Date of Patent: November 13, 1990
    Assignee: Borden, Inc.
    Inventors: Elmer D. Martinez, Thomas F. Duncan
  • Method of spray drying phenol-formaldehyde resin compositions
    Patent number: 4950433
    Abstract: A pre-cure resistant powder resin binder for waferboard/oriented strandboard manufacture is manufactured from spray drying a liquid resin composition containing a low advanced phenol-formaldehyde resin and a water soluble oxo compound of boron. The spray dryability of the low molecular weight phenol-formaldehyde resin is enhanced by the addition of the oxo boron compound.
    Type: Grant
    Filed: July 26, 1989
    Date of Patent: August 21, 1990
    Assignee: Borden, Inc.
    Inventor: Shui-Tung Chiu