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Official data from INPI

Processo para melhorar a compatibilidade dos plastificantes.

ConcedidaInvention Patent

Application data

Number

PI8008395

Type

Invention Patent

Filing

12/19/1980

Publication

-

Progress at the INPI

  1. Filing12/19/80
  2. Publication
  3. Examination08/30/83
  4. Allowance05/17/88
  5. Grant11/29/88
  6. Terminated02/04/92

The patent was granted on 11/29/1988 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: 11/29/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Rhone-Poulenc Industries

FR

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Inventors

M. J. (pessoa física)

M. J. (pessoa física)

S. G. (pessoa física)

Technical data

IPC Classification

Priority claims

FR

79 31219 · 12/20/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/29/1988

RPI 945

Notificação para pagamento de retribuição

#13.1

09/06/1988

RPI 933

Deferimento

#9.1

05/17/1988

RPI 917

Exigência - art. 36 da LPI

#6.1

08/04/1987

RPI 876

Republicação - classificação IPC

#15.11

04/23/1985

RPI 757

Conhecimento de parecer técnico

#7.1

08/07/1984

RPI 720

Solicitação de exame técnico

#4.1

08/30/1983

RPI 671

Anuidade - prazo legal encerrado

#18.2

02/04/1992

RPI 1105

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