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:
Nov. 19, 1996
Filed:
Aug. 22, 1994
Applicant:
Inventors:
Assignee:
Ciba-Geigy Corporation, Tarrytown, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
A01N / ;
U.S. Cl.
CPC ...
424408 ; 424417 ; 424419 ; 42721336 ; 264-433 ; 264-46 ;
Abstract
A process for the preparation of microcapsules, which comprises rapidly stirring an aqueous solution of a precondensate of urea and a dialdehyde in the molar ratio of urea to dialdehyde of 1:1 to 1:2.5, into an acidified aqueous dispersion of a water-immiscible pesticide or a readily volatile water-immiscible solvent.