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:
May. 30, 1995
Filed:
Jul. 27, 1992
Applicant:
Inventors:
Zev Lidert, Doylestown, PA (US);
Craig G Overberger, deceased, late of Yardley, PA (US);
James S Clovis, Morrisville, PA (US);
Assignee:
Rohm and Haas Company, Philadelphia, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C11B / ;
U.S. Cl.
CPC ...
554193 ; 4241951 ; 554 14 ; 554 17 ; 554175 ; 554182 ; 554191 ; 504157 ; 504291 ; 504293 ; 504297 ;
Abstract
A new process has been developed for preparing high purity neem seed extract by adsorbing aqueous solutions of neem seed extract containing azadirachtin onto a macroporous polymeric adsorbent followed by desorption using a solvent. The resulting extract, optionally formulated, is a useful insecticide for the control of foliar pests.