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Official data from INPI

PROCESSO DE PREPARAÇÃO DA TRI (M-SULFOFENIL) FOSFINA.

Em AnáliseInvention Patent

Application data

Number

PI8403776

Type

Invention Patent

Filing

07/30/1984

Publication

07/02/1985

Progress at the INPI

  1. Filing07/30/84
  2. Publication07/02/85
  3. Examination06/30/87
  4. Allowance04/03/90
  5. Grant09/25/90
  6. Terminated06/20/95

The patent was granted on 09/25/1990 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: 06/30/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

R. R. (pessoa física)

FR

Inventors

D. M. (pessoa física)

FR

J. J. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

83 12776 · 08/03/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

06/30/1987

RPI 871

Publicação do pedido de patente

#3.1

07/02/1985

RPI 767

Pedido de patente depositado

#2.1

10/02/1984

RPI 728

Anuidade - prazo legal encerrado

#18.2

06/20/1995

RPI 1281

Concessão da patente

#16.1

09/25/1990

RPI 1034

Notificação para pagamento de retribuição

#13.1

08/14/1990

RPI 1028

Deferimento

#9.1

04/03/1990

RPI 1012

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