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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE UMA COMPOSIÇÃO DE FUMIGAÇÃO DO SOLO E PROCESSO DE ESTABILIZAR 1, 3-DICLOROPROPENO,OU 1 3-DICLOROPROPENO MISTURADO COM UM OU MAIS OUTROS NEMATICIDAS

ConcedidaInvention Patent

Application data

Number

PI8001338

Type

Invention Patent

Filing

03/06/1980

Publication

-

Progress at the INPI

  1. Filing03/06/80
  2. Publication
  3. Examination
  4. Allowance09/06/88
  5. Grant04/25/89
  6. Expired05/16/95

The letters patent expired on 05/16/1995: 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: 04/25/1989. 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. J. (pessoa física)

Technical data

IPC Classification

Priority claims

US

18478 · 03/08/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/25/1989

RPI 966

Notificação para pagamento de retribuição

#13.1

12/27/1988

RPI 949

Deferimento

#9.1

09/06/1988

RPI 933

Conhecimento de parecer técnico

#7.1

10/04/1983

RPI 676

Carta-patente expirada

#21.1

05/16/1995

RPI 1276

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