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:
Jun. 12, 1984
Filed:
Dec. 10, 1982
Applicant:
Inventors:
Suseelan R Pookote, Chesterfield, MO (US);
Melvin R Bagley, St. Louis, MO (US);
Assignee:
Monsanto Company, St. Louis, MO (US);
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
568937 ;
Abstract
Mixtures of para-nitrochlorobenzene crystals and a liquid, ordinarily comprising the mother liquor of the crystals are continuously separated in one or more cylindrical presses in at least two stages. Reduction of the interstitial space causes the mother liquor to be forced out of the drainage aperatures thus purifying the crystals.