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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE UMA COMPOSIÇÃO PESTICIDA

ConcedidaInvention Patent

Application data

Number

PI7905407

Type

Invention Patent

Filing

08/22/1979

Publication

-

Progress at the INPI

  1. Filing08/22/79
  2. Publication
  3. Examination06/15/82
  4. Allowance12/29/87
  5. Grant06/28/88
  6. Expired04/18/95

The letters patent expired on 04/18/1995: 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: 06/28/1988. 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

B. J. (pessoa física)

Technical data

Priority claims

GB

34510/78 · 08/24/1978

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/28/1988

RPI 923

Notificação para pagamento de retribuição

#13.1

05/10/1988

RPI 916

Deferimento

#9.1

12/29/1987

RPI 897

Exigência - art. 36 da LPI

#6.1

10/30/1984

RPI 732

Exigência - art. 36 da LPI

#6.1

02/14/1984

RPI 695

Solicitação de exame técnico

#4.1

06/15/1982

RPI 608

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: C07C 155/02; A01N 53/00; C07C 69/74.

03/27/2018

RPI 2464

Carta-patente expirada

#21.1

04/18/1995

RPI 1272

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