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Official data from INPI

EMULSÃO CONCENTRADA PESTICIDAMENTE ATIVA E PROCESSO PARA PREPARAR UMA EMULSÃO

ConcedidaInvention Patent

Application data

Number

PI8001763

Type

Invention Patent

Filing

03/24/1980

Publication

-

Progress at the INPI

  1. Filing03/24/80
  2. Publication
  3. Examination
  4. Allowance08/02/88
  5. Grant02/28/89
  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: 02/28/1989. 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

G. G. (pessoa física)

M. J. (pessoa física)

P. R. (pessoa física)

Technical data

IPC Classification

Priority claims

US

023851 · 03/26/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/28/1989

RPI 958

Notificação para pagamento de retribuição

#13.1

11/29/1988

RPI 945

Deferimento

#9.1

08/02/1988

RPI 928

Exigência - art. 36 da LPI

#6.1

03/01/1988

RPI 906

Conhecimento de parecer técnico

#7.1

11/08/1983

RPI 681

Carta-patente expirada

#21.1

05/16/1995

RPI 1276

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