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Official data from INPI

PROCESSO PARA A POLIMERIZAÇÃO DE UM MATERIAL POLIMERIZÁVEL.

Em ExigênciaInvention Patent

Application data

Number

PI8500577

Type

Invention Patent

Filing

02/08/1985

Publication

09/24/1985

Progress at the INPI

  1. Filing02/08/85
  2. Publication09/24/85
  3. Examination10/13/87
  4. Allowance10/02/90
  5. Grant04/30/91
  6. Terminated05/21/96

The patent was granted on 04/30/1991 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

See this company's full portfolio

Inventors

D. Z. (pessoa física)

CH

D. M. (pessoa física)

CH

Technical data

IPC Classification

Priority claims

CH

4286/84 · 09/07/1984

CH

632/84 · 02/10/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

10/03/1989

RPI 989

Solicitação de exame técnico

#4.1

10/13/1987

RPI 886

Publicação do pedido de patente

#3.1

09/24/1985

RPI 779

Pedido de patente depositado

#2.1

04/30/1985

RPI 758

Anuidade - prazo legal encerrado

#18.2

05/21/1996

RPI 1329

Republicação - classificação IPC

#15.11

05/14/1991

RPI 1067

Concessão da patente

#16.1

04/30/1991

RPI 1065

Notificação para pagamento de retribuição

#13.1

01/15/1991

RPI 1050

Deferimento

#9.1

10/02/1990

RPI 1035

Exigência - art. 36 da LPI

#6.1

05/08/1990

RPI 1017

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