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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE PIGMENTOS INORGÂNICOS CORANTES E MAGNÉTICOS

Arquivada/ExtintaInvention Patent
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Application data

Number

PI8906412

Type

Invention Patent

Filing

12/12/1989

Publication

08/28/1990
View on INPI

Progress at the INPI

  1. Filing12/12/89
  2. Publication08/28/90
  3. Examination01/19/93
  4. Allowance04/27/99
  5. Grant10/19/99
  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

Lanxess Deutschland GmbH

DE

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Inventors

D. K. (pessoa física)

DE

D. S. (pessoa física)

DE

D. B. (pessoa física)

DE

Technical data

IPC Classification

C09C 3/10

Priority claims

DE

P 38 41 848.7 · 12/13/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 12/12/2009

01/02/2013

RPI 2191

Transferência deferida

#25.1

Transferido de: Bayer Aktiengesellschaft

03/11/2008

RPI 1940

Concessão da patente

#16.1

10/19/1999

RPI 1502

Deferimento

#9.1

04/27/1999

RPI 1477

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

01/19/1993

RPI 1155

Publicação do pedido de patente

#3.1

08/28/1990

RPI 1030

Pedido de patente depositado

#2.1

05/01/1990

RPI 1016

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