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:
Jul. 15, 1986
Filed:
Nov. 09, 1984
Applicant:
Inventor:
David R Friswell, Holliston, MA (US);
Assignee:
Zymark Corporation, Hopkinton, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
159 471 ; 34 30 ; 34 34 ; 159 161 ; 422101 ; 422255 ;
Abstract
Improved means for evaporating liquid to obtain solid residue. The invention is particularly useful where small quantities of a solid is to be recovered from a first liquid medium and dissolved in another liquid medium. The invention comprises a receptable for holding the liquid to be treated and means to sense the temperature of the evaporating process and terminate the evaporating process at any appropriate predetermined temperature condition, thereby avoiding excessive drying of a particular material.