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:
Sep. 27, 1994
Filed:
Dec. 29, 1992
Donald H Brunk, Wilmington, DE (US);
David J Regester, West Grove, PA (US);
Charles W Robertson, Rockland, DE (US);
Anders J Wellings, Newark, DE (US);
E. I. Du Pont de Nemours and Company, Wilmington, DE (US);
Abstract
A disclosure is made of automatic apparatus for processing transfer membranes to which a blot pattern of molecular fragments has been bound so that the pattern may be optically visualized. The apparatus is characterized by at least one open processing cell and two systems for pumping; one selectively controlled to direct fluid to and from functional units and one which is closely coupled to the cell and recirculates the fluid in the cell to assure adequate and thorough treatment therein by uniform fluid flow across both sides of the membrane.