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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE RESINAS DE POLIÉSTER

Arquivada/ExtintaInvention PatentPCT · EP1989000162

Application data

Number

PI8907369

Type

Invention Patent

Filing

02/22/1989

Publication

04/16/1991

PCT

EP1989000162

Progress at the INPI

  1. Filing02/22/89
  2. Publication04/16/91
  3. Examination08/20/91
  4. Allowance03/26/96
  5. Grant03/25/97
  6. Expired12/29/09

The letters patent expired on 12/29/2009: 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: 12/29/2009. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Basf Lacke + Farben Aktiengesellschaft

DE

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Inventors

D. S. (pessoa física)

DE

H. D. (pessoa física)

DE

J. S. (pessoa física)

DE

M. D. (pessoa física)

DE

T. L. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 38 12 366.5 · 04/14/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 22/02/2004

12/29/2009

RPI 2034

Concessão da patente

#16.1

03/25/1997

RPI 1373

Deferimento

#9.1

03/26/1996

RPI 1321

Exigência - art. 36 da LPI

#6.1

02/07/1995

RPI 1262

Solicitação de exame técnico

#4.1

08/20/1991

RPI 1081

Notificação de entrada na fase nacional - PCT

#1.3

04/16/1991

RPI 1063

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