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Official data from INPI

PROCESSO PARA A PRODUÇÃO DE UM COMPOSTO

Em AnáliseInvention Patent

Application data

Number

PI8504746

Type

Invention Patent

Filing

09/26/1985

Publication

07/22/1986

Progress at the INPI

  1. Filing09/26/85
  2. Publication07/22/86
  3. Examination04/12/88
  4. Allowance08/27/91
  5. Grant04/28/92
  6. Terminated06/04/96

The patent was granted on 04/28/1992 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: 04/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Sumitomo Chemical Company

JP

Sumitomo Chemical Company, Limited

JP

Inventors

E. N. (pessoa física)

JP

K. M. (pessoa física)

JP

R. S. (pessoa física)

JP

T. H. (pessoa física)

JP

Technical data

IPC Classification

Priority claims

JP

203785/1984 · 09/27/1984

JP

579449/1984 · 12/27/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

04/12/1988

RPI 912

Publicação do pedido de patente

#3.1

07/22/1986

RPI 822

Pedido de patente depositado

#2.1

12/03/1985

RPI 789

Anuidade - prazo legal encerrado

#18.2

06/04/1996

RPI 1331

Concessão da patente

#16.1

04/28/1992

RPI 1117

Notificação para pagamento de retribuição

#13.1

12/24/1991

RPI 1099

Deferimento

#9.1

08/27/1991

RPI 1082

Exigência - art. 36 da LPI

#6.1

02/05/1991

RPI 1053

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