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Official data from INPI

PROCESSO PARA O TINGIMENTO NA MASSA DE MATERIAL ORGÂNICO MOLECULAR SUPERIOR

ConcedidaInvention Patent

Application data

Number

PI8201529

Type

Invention Patent

Filing

03/19/1982

Publication

02/08/1983

Progress at the INPI

  1. Filing03/19/82
  2. Publication02/08/83
  3. Examination04/09/85
  4. Allowance06/13/89
  5. Grant11/28/89
  6. Expired07/01/08

The letters patent expired on 07/01/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 11/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ciba-Geigy AG

CH

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Inventors

D. I. (pessoa física)

CH

D. C. (pessoa física)

CH

Technical data

Priority claims

CH

1 905/81 · 03/20/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/28/1989

RPI 997

Notificação para pagamento de retribuição

#13.1

10/10/1989

RPI 990

Deferimento

#9.1

06/13/1989

RPI 973

Exigência - art. 36 da LPI

#6.1

06/21/1988

RPI 922

Solicitação de exame técnico

#4.1

04/09/1985

RPI 755

Publicação do pedido de patente

#3.1

02/08/1983

RPI 642

Pedido de patente depositado

#2.1

05/04/1982

RPI 602

Carta-patente expirada

#21.1

Patente extinta em 19/03/97

07/01/2008

RPI 1956

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