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Official data from INPI

PROCESSO DE ISOMERIZAÇÃO DE UM EPÓXIDO PARA O ÁLCOOL CORRESPONDENTE,E, PROCESSO PARA AUMENTO DA VIDA DE UM CATALISADOR SÓLIDO

PublicadaInvention Patent

Application data

Number

PI8605780

Type

Invention Patent

Filing

11/25/1986

Publication

08/25/1987

Progress at the INPI

  1. Filing11/25/86
  2. Publication08/25/87
  3. Abandoned02/06/90
  4. Allowance
  5. Grant
  6. In force

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 specialist

Latest action published by the INPI: 08/25/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Shell Internationale Research Maatschappij B.V

NL

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Inventors

P. F. (pessoa física)

R. E. (pessoa física)

Technical data

IPC Classification

Priority claims

US

804011 · 12/03/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

08/25/1987

RPI 879

Pedido de patente depositado

#2.1

04/14/1987

RPI 860

Arquivamento - Art. 36 §1° da LPI

#11.2

06/15/1993

RPI 1176

Exigência - art. 36 da LPI

#6.1

06/09/1992

RPI 1123

Solicitação de exame técnico

#4.1

02/06/1990

RPI 1005

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