Patents by Inventor Lawrence Wondolowski

Lawrence Wondolowski 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).

  • Carbohydrate-based condensation resin
    Patent number: 4085076
    Abstract: A carbohydrate-phenolic resol resin and a process for production of same wherein an aldose saccharide, preferably a hexose, is reacted with a phenolic compound and urea in the presence of an acid catalyst to form a liquid fusible resin which is reacted with a lower aliphatic aldehyde in the presence of a basic catalyst to form said resol resin.
    Type: Grant
    Filed: June 21, 1977
    Date of Patent: April 18, 1978
    Assignee: CPC International Inc.
    Inventors: John P. Gibbons, Lawrence Wondolowski
  • Process for producing carbohydrate-phenol condensation resins
    Patent number: 4048126
    Abstract: A process for the production of carbohydrate-phenolic resins wherein a phenolic compound is reacted with a hexose saccharide in the presence of a Lewis acid catalyst to form a solid fusible resin which is curable with cross linking agents, such as hexamethylenetetramine.
    Type: Grant
    Filed: July 22, 1976
    Date of Patent: September 13, 1977
    Assignee: CPC International Inc.
    Inventors: John P. Gibbons, Lawrence Wondolowski
  • Carbohydrate-based condensation resin
    Patent number: 4048127
    Abstract: A carbohydrate-phenolic resin and a process for production of same wherein an aldose saccharide, preferably a hexose, is reacted with a phenolic compound and urea in the presence of an acid catalyst to form a solid fusible resin which is curable with cross linking agents, such as hexamethylenetetramine. Instead of urea, use can also be made of diamines, such as toluene diamines and alkylene diamines.
    Type: Grant
    Filed: July 22, 1976
    Date of Patent: September 13, 1977
    Assignee: CPC International Inc.
    Inventors: John P. Gibbons, Lawrence Wondolowski