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Official data from INPI

COMPOSICAO DE ORGANOPOLISSILOXANO

ConcedidaInvention Patent
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Application data

Number

PI8108493

Type

Invention Patent

Filing

12/29/1980

Publication

10/19/1982
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Progress at the INPI

  1. Filing12/29/80
  2. Publication10/19/82
  3. Examination12/11/84
  4. Allowance07/19/88
  5. Grant03/28/89
  6. Terminated06/27/95

The patent was granted on 03/28/1989 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 03/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

TORAY SILICONE CO [JP]

Inventors

I. O. (pessoa física)

Technical data

IPC Classification

C08L 83/08D06M 13/02D06M 13/503D06M 13/51D06M 13/513D06M 15/643

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/28/1989

RPI 962

Notificação para pagamento de retribuição

#13.1

11/16/1988

RPI 943

Deferimento

#9.1

07/19/1988

RPI 926

Exigência - art. 36 da LPI

#6.1

09/29/1987

RPI 884

Solicitação de exame técnico

#4.1

12/11/1984

RPI 738

Publicação do pedido de patente

#3.1

10/19/1982

RPI 626

Pedido de patente depositado

#2.1

02/24/1982

RPI 592

Anuidade - prazo legal encerrado

#18.2

06/27/1995

RPI 1282

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