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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE UM COMPOSTO DE ALTO TEOR DE TRANS, PRODUTO OBTIDO E PROCESSO PARA A PREPARAÇÃO DE UM ÁCIDO

ConcedidaInvention Patent

Application data

Number

PI8202447

Type

Invention Patent

Filing

04/28/1982

Publication

04/12/1983

Progress at the INPI

  1. Filing04/28/82
  2. Publication04/12/83
  3. Examination04/30/85
  4. Allowance09/30/86
  5. Grant06/30/87
  6. Terminated07/18/95

The patent was granted on 06/30/1987 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 06/30/1987. 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

F. S. (pessoa física)

NL

M. N. (pessoa física)

NL

R. H. (pessoa física)

NL

Technical data

IPC Classification

Priority claims

GB

8113359 · 04/30/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/30/1987

RPI 871

Deferimento

#9.1

09/30/1986

RPI 832

Republicação - classificação IPC

#15.11

02/12/1986

RPI 799

Exigência - art. 36 da LPI

#6.1

12/31/1985

RPI 793

Solicitação de exame técnico

#4.1

04/30/1985

RPI 758

Publicação do pedido de patente

#3.1

04/12/1983

RPI 651

Pedido de patente depositado

#2.1

06/15/1982

RPI 608

Anuidade - prazo legal encerrado

#18.2

07/18/1995

RPI 1285

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