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Official data from INPI

COMPOSIÇÃO DE REVESTIMENTO, PROCESSO PARA A PREPARAÇÃO DO REVESTIMENTO E APLICAÇÃO

Arquivada/ExtintaInvention PatentPCT · EP1988000827

Application data

Number

PI8807707

Type

Invention Patent

Filing

09/10/1988

Publication

07/31/1990

PCT

EP1988000827

Progress at the INPI

  1. Filing09/10/88
  2. Publication07/31/90
  3. Examination04/02/91
  4. Allowance06/06/95
  5. Grant07/30/96
  6. Expired09/02/08

The letters patent expired on 09/02/2008: 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: 09/02/2008. 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

U. V. (pessoa física)

US

W. J. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 37 31 652.4 · 09/19/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 10/09/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

07/30/1996

RPI 1339

Notificação para pagamento de retribuição

#13.1

03/19/1996

RPI 1320

9.1.3

10/31/1995

RPI 1300

Deferimento

#9.1

06/06/1995

RPI 1279

Exigência - art. 36 da LPI

#6.1

10/04/1994

RPI 1244

Solicitação de exame técnico

#4.1

04/02/1991

RPI 1061

Notificação de entrada na fase nacional - PCT

#1.3

07/31/1990

RPI 1026

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