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:
Nov. 15, 1977
Filed:
Dec. 12, 1974
Applicant:
Inventor:
Robert A Sinclair, St. Paul, MN (US);
Assignee:
Minnesota Mining and Manufacturing Company, St. Paul, MN (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C23F / ; C09K / ;
U.S. Cl.
CPC ...
21 / ; 21 61 ; 55387 ; 252394 ; 252395 ; 252396 ;
Abstract
A method and structure for protection of metals subject to corrosion by acidic gases. Metals are enclosed within an air-confining structure with a black sorbent thermoset foam, highly sorbtive of acidic vapors.