111
03/14/1989
RPI 960
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Official data from INPI
PRODUTO FERTILIZANTE,PROCESSOS PARA PREPARACAO DO MESMO,PARA FERTILIZAR PLANTACOES E PARA FORNECER UMA FONTE DE NITROGENIO FERTILIZANTE E AGLOMERADO GRANULADO
Em AnáliseInvention Patent
Application data
Number
PI8205602Type
Invention Patent
Filing
09/25/1981
Publication
08/30/1983
Progress at the INPI
- Filing09/25/81
- Publication08/30/83
- Examination12/13/83
- Refused03/14/89
- Grant
- In force
The application was refused on 03/14/1989 and the appeal did not change the decision. The invention was never patented and the technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 03/14/1989. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
MELAMINE CHEMICALS INC [US]
Inventors
A. G. (pessoa física)
C. M. (pessoa física)
F. E. (pessoa física)
Technical data
IPC Classification
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
120
07/12/1988
RPI 925
Petição de recurso
#12.2
11/24/1987
RPI 892
Indeferimento
#9.2
08/04/1987
RPI 876
Conhecimento de parecer técnico
#7.1
06/10/1986
RPI 816
6.2
01/08/1985
RPI 742
Solicitação de exame técnico
#4.1
12/13/1983
RPI 686
Publicação do pedido de patente
#3.1
08/30/1983
RPI 671
Pedido de patente depositado
#2.1
11/16/1982
RPI 630
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