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:
Oct. 20, 1981
Filed:
Sep. 02, 1980
Applicant:
Inventor:
William C Ziegenhain, Ponca City, OK (US);
Assignee:
Conoco Inc., Ponca City, OK (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B / ;
U.S. Cl.
CPC ...
264 63 ; 423462 ; 423626 ; 423630 ; 423625 ; 264D / ; 264164 ;
Abstract
Alumina fibers are prepared by a method comprising (a) forming aluminum methoxide from aluminum alkoxides using methanol; (b) recovering aluminum methoxide as a solid precipitate phase, washing to remove higher alcohols and drying to recover a powder; (c) reacting the recovered powdered aluminum methoxide with dilute hydrochloric acid to form aluminum chlorohydrate; then (d) concentrating the aluminum chlorohydrate solution under vacuum to desired viscosity.