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. 07, 1982
Filed:
Jul. 17, 1981
Applicant:
Inventor:
Herman R Felton, Wilmington, DE (US);
Assignee:
Analtech, Incorporated, Newark, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
210658 ; 2101983 ;
Abstract
In thin layer chromatographic plates comprising adsorbent layers characterized by adsorptivity which increases from a first edge to the edge opposite, as, for example, in wedge layer plates, resolution is improved by development in the direction of increasing adsorptivity.