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Official data from INPI

PROCESSO DE INIBICAO DA NITRIFICACAO DO NITROGENIO AMONIACAL EM MEIOS DE CULTIVO E COMPOSICAO FERTILIZANTE

IndeferidaInvention Patent

Application data

Number

PI8004408

Type

Invention Patent

Filing

07/19/1979

Publication

-

Progress at the INPI

Under appeal
  1. Filing07/19/79
  2. Publication
  3. Examination04/26/83
  4. Refused09/29/87
  5. Grant
  6. In force

The application was refused by the INPI on 09/29/1987. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 09/29/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DOW CHEMICAL CO

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Inventors

G. J. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

09/29/1987

RPI 884

Conhecimento de parecer técnico

#7.1

12/02/1986

RPI 841

Exigência - art. 36 da LPI

#6.1

05/15/1984

RPI 708

Exigência - art. 36 da LPI

#6.1

12/06/1983

RPI 685

Solicitação de exame técnico

#4.1

04/26/1983

RPI 653

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