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Official data from INPI

COMPOSIÇÃO DE RESINA EPÓXIDO PRÉ-CATALISADA E PROCESSO APERFEIÇOADO PARA AVANÇAR UMA RESINA DE EPÓXIDO LÍQUIDA

DeferidaInvention Patent

Application data

Number

PI8301719

Type

Invention Patent

Filing

04/04/1983

Publication

12/13/1983

Progress at the INPI

  1. Filing04/04/83
  2. Publication12/13/83
  3. Examination05/20/86
  4. Allowance10/03/89
  5. Grant04/24/90
  6. Terminated04/25/95

The patent was granted on 04/24/1990 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: 10/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ciba-Geigy AG

CH

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Inventors

J. G. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

365.729 · 04/05/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

10/03/1989

RPI 989

Exigência - art. 36 da LPI

#6.1

03/28/1989

RPI 962

Exigência - art. 36 da LPI

#6.1

06/14/1988

RPI 921

6.2

01/13/1987

RPI 847

Solicitação de exame técnico

#4.1

05/20/1986

RPI 813

Publicação do pedido de patente

#3.1

12/13/1983

RPI 686

Pedido de patente depositado

#2.1

05/17/1983

RPI 656

Anuidade - prazo legal encerrado

#18.2

04/25/1995

RPI 1273

Concessão da patente

#16.1

04/24/1990

RPI 1015

Notificação para pagamento de retribuição

#13.1

02/01/1990

RPI 1004

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