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Official data from INPI

PROCESSO DE PURIFICAÇÃO DE SOLUÇÕES AQUOSAS DE HIDRATO DE HIDRAZINA.

ArquivadaInvention Patent

Application data

Number

PI8500657

Type

Invention Patent

Filing

02/13/1985

Publication

10/01/1985

Progress at the INPI

  1. Filing02/13/85
  2. Publication10/01/85
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 02/13/1985 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 12/22/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Atochem

FR

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Inventors

J. P. (pessoa física)

M. A. (pessoa física)

FR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

12/22/1987

RPI 896

Publicação do pedido de patente

#3.1

10/01/1985

RPI 780

Pedido de patente depositado

#2.1

05/07/1985

RPI 759

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