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:
Jun. 01, 1976
Filed:
Jul. 01, 1974
Applicant:
Inventors:
James Joseph Eberl, Moylan, PA (US);
Edmund Thelen, Strafford, PA (US);
Harold L Heller, Narberth, PA (US);
Assignee:
Certain-teed Products Corporation, Valley Forge, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B05D / ; D02G / ;
U.S. Cl.
CPC ...
427220 ; 428375 ; 427221 ; 427227 ; 156623 ; 106109 ;
Abstract
A method is provided for the manufacture of coated calcium sulfate whisker fibers wherein the calcium sulfate whisker fibers are formed in an aqueous solution at about 110.degree.-150.degree.C, dryed, and preferably fired. Thereafter the resulting fibers are treated to form a protective coating on the fibers.