The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 18, 1979
Filed:
May. 25, 1977
Applicant:
Inventors:
Bernard de Massey, Chambery, FR;
Gilbert Bocquet, Challes les Eaux, FR;
Jacques Molinier, La Motte Servolex, FR;
Assignee:
Saint-Gobain Industries, Neuilly-sur-Seine, FR;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; C08L / ; C08L / ;
U.S. Cl.
CPC ...
428441 ; 260 / ; 428392 ; 428442 ; 428532 ;
Abstract
Sizing compositions for coating glass fibers as well as the coated fibers in which the compositions are constituted essentially of two film forming agents and of two lubricants. One film forming agent is a modified starch in which almost the entire mass of starch granules is burst. The second is an acrylic polymer, preferably a water-soluble one. One lubricant is non-ionic and preferably a mineral oil. The second is a polyethylene wax in the form of an aqueous emulsion containing a cationic emulsifier.