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Official data from INPI

PROCESSO PARA SUA PREPARAÇÃO DE COPOLÍMEROS CONTENDO GRUPOS AMINO, AGENTE DE REVESTIMENTO E UTILIZAÇÃO DOS COPOLÍMEROS

Arquivada/ExtintaInvention PatentPCT · EP1989000850

Application data

Number

PI8907602

Type

Invention Patent

Filing

07/20/1989

Publication

07/30/1991

PCT

EP1989000850

Progress at the INPI

  1. Filing07/20/89
  2. Publication07/30/91
  3. Examination10/22/91
  4. Allowance05/26/98
  5. Grant11/24/98
  6. Expired12/26/12

The letters patent expired on 12/26/2012: 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: 12/26/2012. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Basf Lacke + Farben Aktiengesellschaft

DE

See this company's full portfolio

Inventors

W. J. (pessoa física)

DE

Technical data

Priority claims

DE

P 38 27 587.2 · 08/13/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 20/07/2009

12/26/2012

RPI 2190

Concessão da patente

#16.1

11/24/1998

RPI 1455

Deferimento

#9.1

05/26/1998

RPI 1431

Exigência - art. 36 da LPI

#6.1

12/12/1995

RPI 1306

Solicitação de exame técnico

#4.1

10/22/1991

RPI 1090

Notificação de entrada na fase nacional - PCT

#1.3

07/30/1991

RPI 1078

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