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Official data from INPI

PROCESSO PARA O TINGIMENTO DE COUROS OU PELES COM CORANTES COMPLEXOS DE CROMO-1:2

DeferidaInvention Patent

Application data

Number

PI8306024

Type

Invention Patent

Filing

11/01/1983

Publication

06/05/1984

Progress at the INPI

  1. Filing11/01/83
  2. Publication06/05/84
  3. Examination08/12/86
  4. Allowance08/15/89
  5. Grant02/26/91
  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: 10/17/1989. 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. P. (pessoa física)

CH

J. K. (pessoa física)

Technical data

IPC Classification

Priority claims

CH

6366/82 · 11/02/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

9.1.3

10/17/1989

RPI 991

Deferimento

#9.1

08/15/1989

RPI 982

Exigência - art. 36 da LPI

#6.1

01/17/1989

RPI 952

Conhecimento de parecer técnico

#7.1

08/16/1988

RPI 930

Solicitação de exame técnico

#4.1

08/12/1986

RPI 825

Publicação do pedido de patente

#3.1

06/05/1984

RPI 711

Pedido de patente depositado

#2.1

01/17/1984

RPI 691

Carta-patente expirada

#21.1

Patente extinta em 01/11/98

07/01/2008

RPI 1956

Concessão da patente

#16.1

02/26/1991

RPI 1056

15.18

11/06/1990

RPI 1040

15.20

10/02/1990

RPI 1035

Retificação

#15.3

04/24/1990

RPI 1015

Notificação para pagamento de retribuição

#13.1

02/13/1990

RPI 1006

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