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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE PIGMENTOS DE ALUMÍNIO

Arquivada/ExtintaInvention PatentPCT · EP1987000407

Application data

Number

PI8707799

Type

Invention Patent

Filing

07/29/1987

Publication

08/15/1989

PCT

EP1987000407

Progress at the INPI

  1. Filing07/29/87
  2. Publication08/15/89
  3. Examination01/02/90
  4. Allowance03/07/95
  5. Grant09/26/95
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 08/15/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Basf Lacke + Farben Aktiengesellschaft

DE

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Inventors

B. M. (pessoa física)

DE

P. M. (pessoa física)

DE

R. T. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 36 29 159.5 · 08/27/1986

DE

P 36 36 183.6 · 10/24/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação de entrada na fase nacional - PCT

#1.3

08/15/1989

RPI 982

Carta-patente expirada

#21.1

Patente extinta em 29/07/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

09/26/1995

RPI 1295

Deferimento

#9.1

03/07/1995

RPI 1266

Exigência - art. 36 da LPI

#6.1

10/25/1994

RPI 1247

Solicitação de exame técnico

#4.1

01/02/1990

RPI 1000

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