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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE PIGMENTO PRETO

Arquivada/ExtintaInvention Patent
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Application data

Number

PI8906326

Type

Invention Patent

Filing

12/07/1989

Publication

08/21/1990
View on INPI

Progress at the INPI

  1. Filing12/07/89
  2. Publication08/21/90
  3. Examination02/02/93
  4. Allowance07/27/99
  5. Grant04/18/00
  6. Expired01/02/13

The letters patent expired on 01/02/2013: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 01/02/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

B. A. (pessoa física)

DE

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Inventors

D. B. (pessoa física)

DE

Technical data

IPC Classification

C09C 1/24C09C 3/06

Priority claims

DE

P 38 41 313.2 · 12/08/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 18/04/2010

01/02/2013

RPI 2191

Concessão da patente

#16.1

04/18/2000

RPI 1528

Deferimento

#9.1

07/27/1999

RPI 1490

Exigência - art. 36 da LPI

#6.1

10/06/1998

RPI 1450

Exigência - art. 36 da LPI

#6.1

01/13/1998

RPI 1412

Solicitação de exame técnico

#4.1

02/02/1993

RPI 1157

Publicação do pedido de patente

#3.1

08/21/1990

RPI 1029

Pedido de patente depositado

#2.1

03/20/1990

RPI 1010

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