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:
Jan. 11, 1994
Filed:
Jun. 17, 1991
Applicant:
Inventors:
Stephan W Boppart, Wadenswil, CH;
Marius A Kumin, Cham, CH;
Assignee:
The Dow Chemical Company, Midland, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B08B / ; B08B / ; F26B / ;
U.S. Cl.
CPC ...
134 10 ; 134 11 ; 34 27 ; 34 34 ; 34 77 ; 34 80 ; 68 / ;
Abstract
The solvent vapor concentration which is mixed with air and is obtained in the treatment of articles in an apparatus is controlled in the apparatus by a method comprising the following steps: