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Official data from INPI

PROCESSO DE PREPARAÇÃO DE UMA MISTURA DE RESINAS EPÓXIDO

ConcedidaInvention Patent
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Application data

Number

PI8303649

Type

Invention Patent

Filing

07/07/1983

Publication

02/14/1984
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Progress at the INPI

  1. Filing07/07/83
  2. Publication02/14/84
  3. Examination06/03/86
  4. Allowance01/31/89
  5. Grant08/29/89
  6. Terminated02/18/92

The patent was granted on 08/29/1989 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: 08/29/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ciba-Geigy AG

CH

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Inventors

D. F. (pessoa física)

CH

D. N. (pessoa física)

CH

Technical data

IPC Classification

C08G 59/62

Priority claims

CH

4169/82 · 07/08/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/29/1989

RPI 984

Notificação para pagamento de retribuição

#13.1

06/06/1989

RPI 972

Notificação para pagamento de retribuição

#13.1

02/21/1989

RPI 957

Deferimento

#9.1

01/31/1989

RPI 954

Exigência - art. 36 da LPI

#6.1

07/19/1988

RPI 926

6.2

09/08/1987

RPI 881

Solicitação de exame técnico

#4.1

06/03/1986

RPI 815

Publicação do pedido de patente

#3.1

02/14/1984

RPI 695

Pedido de patente depositado

#2.1

08/23/1983

RPI 670

Anuidade - prazo legal encerrado

#18.2

02/18/1992

RPI 1107

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