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:
Dec. 21, 1979
Applicant:
Inventors:
Ernst Freundlinger, Meitingen-Langenreichen, DE;
Alfred Hirschvogel, Langeweid, DE;
Assignee:
Sigri Elektrographit GmbH, Meitingen bei Augsburg, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428408 ; 252387 ; 423445 ; 423449 ; 423460 ; 428697 ; 210687 ; 210688 ;
Abstract
Flexible graphite layer material containing at least one metal moylbdate with a solubility in water of 10.sup.-2 to 10.sup.-4 g/100 ml to inhibit corrosion. The corrosion inhibitor may be incorporated by first immersing the graphite layer material in a solution of an alkali metal molybdate, drying, and then immersing in a solution of very soluble metal salt in which the metal when combined with molybdate to form metal molybdate has the defined solubility. The graphite layer material is then dried and contains the desired molybdate corrosion inhibitor.