Abstract: A yarn finish containing a mineral oil of viscosity below that desired and a polymeric viscosity index improver such as polyisobutylene in an amount to raise the viscosity of the finish to the level desired.
Type:
Grant
Filed:
April 9, 1976
Date of Patent:
July 4, 1978
Assignee:
George A. Goulston Company, Inc.
Inventors:
Roger John Crossfield, Norman Robert Cohen
Abstract: Yarn finishes, particularly of the coning oil type, containing a hydrocarbon soluble, long molecular chain polymeric viscosity index improver, such as polyisobutylene, are disclosed herein.
Type:
Grant
Filed:
June 2, 1976
Date of Patent:
July 4, 1978
Assignee:
George A. Goulston Company, Inc.
Inventors:
Roger John Crossfield, Norman Robert Cohen
Abstract: Yarn finishes, particularly of the coning oil type, containing a hydrocarbon soluble, long molecular chain polymeric viscosity index improver, such as polyisobutylene, are disclosed herein.
Type:
Grant
Filed:
September 14, 1973
Date of Patent:
August 31, 1976
Assignee:
George A. Goulston Company, Inc.
Inventors:
Roger John Crossfield, Norman Robert Cohen