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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE PIGMENTOS AZO

Arquivada/ExtintaInvention PatentPCT · EP1990000955

Application data

Number

PI9007461

Type

Invention Patent

Filing

06/16/1990

Publication

06/16/1992

PCT

EP1990000955

Progress at the INPI

  1. Filing06/16/90
  2. Publication06/16/92
  3. Examination03/16/93
  4. Allowance12/08/98
  5. Grant06/29/99
  6. Expired01/15/13

The letters patent expired on 01/15/2013: 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: 01/15/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Clariant GMBH

DE

Clariant Produkte (Deutschland) GmbH

DE

H. A. (pessoa física)

DE

See this company's full portfolio

Inventors

W. R. (pessoa física)

DE

Technical data

Priority claims

DE

P 39 20 455.3 · 06/22/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 16/06/2010

01/15/2013

RPI 2193

Alteração de nome deferida

#25.4

Alterado de: Clariant GmbH

06/19/2007

RPI 1902

Transferência deferida

#25.1

Transferido de: Hoechst Aktiengesellschaft

07/03/2001

RPI 1591

Concessão da patente

#16.1

06/29/1999

RPI 1486

Deferimento

#9.1

12/08/1998

RPI 1457

Exigência - art. 36 da LPI

#6.1

11/24/1998

RPI 1455

Exigência - art. 36 da LPI

#6.1

03/25/1997

RPI 1373

Solicitação de exame técnico

#4.1

03/16/1993

RPI 1163

Notificação de entrada na fase nacional - PCT

#1.3

06/16/1992

RPI 1124

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