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. 25, 1995
Filed:
Feb. 03, 1994
Applicant:
Inventor:
Richard J Demchak, Langhorne, PA (US);
Assignee:
Merck & Co., Inc., Rahway, NJ (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
549264 ;
Abstract
Their is disclosed a novel solvent-depletion process for making an avermectin/zein composition and the composition itself, which has excellent photostability and unexpected bioavailability to foliar-feeding insects. The process consists of depleting a dilute acidic, basic or alcoholic solvent from an emulsified solution of avermectin, zein, and dilute solvent.