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Official data from INPI

PROCESSO PARA PREPARAÇÃO DE UM COMPOSTO DI-HALO-VINÍLICO.

ConcedidaInvention Patent

Application data

Number

PI8004088

Type

Invention Patent

Filing

06/30/1980

Publication

-

Progress at the INPI

  1. Filing06/30/80
  2. Publication
  3. Examination03/29/83
  4. Allowance12/26/84
  5. Grant06/25/85
  6. Expired09/12/95

The letters patent expired on 09/12/1995: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 06/25/1985. 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

K. P. (pessoa física)

V. P. (pessoa física)

Technical data

Priority claims

GB

7923143 · 07/03/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/25/1985

RPI 766

Notificação para pagamento de retribuição

#13.1

04/16/1985

RPI 756

Deferimento

#9.1

12/26/1984

RPI 740

Exigência - art. 36 da LPI

#6.1

01/10/1984

RPI 690

Solicitação de exame técnico

#4.1

03/29/1983

RPI 649

Carta-patente expirada

#21.1

09/12/1995

RPI 1293

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