Arquivamento - Art. 36 §1° da LPI
#11.2
04/18/2000
RPI 1528
Application data
Number
PI9200831Type
Filing
Publication
The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 04/18/2000. We update with every new RPI gazette, published weekly.
Applicants
American Cyanamid Company
US
Inventors
R. Y. (pessoa física)
US
IPC Classification
Priority claims
US
07/667,832 · 03/12/1991
US
07/829,397 · 02/07/1992
Abstract
A presente invenção fornece um processo para extrair ácidos piridino- ou quinolino-dicarboxílicos de meios aquosos. Os ácidos piridino- e quinolino-dicarboxílicos são utilizáveis na preparação dos compostos herbicidas nicotinato de 2-(2-imidazolin-2-ila) e 3-carboxilato de quinolina.
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