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Official data from INPI

Processo para a preparação de um catalisador, composição de pastas, e material verde extrudado.

PublicadaInvention Patent

Application data

Number

PI8705536

Type

Invention Patent

Filing

10/16/1987

Publication

07/19/1988

Progress at the INPI

  1. Filing10/16/87
  2. Publication07/19/88
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 10/16/1987 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: 07/19/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W.R. Grace & Co.

US

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Inventors

R. D. (pessoa física)

W. C. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

941.672 · 12/15/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

07/19/1988

RPI 926

Pedido de patente depositado

#2.1

02/23/1988

RPI 905

Arquivamento - Art. 33 da LPI

#11.1

06/11/1991

RPI 1071

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