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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE METANOL EM UM MEIO DE REAÇÃO LÍQUIDO

Em AnáliseInvention Patent

Application data

Number

PI8507072

Type

Invention Patent

Filing

10/17/1985

Publication

07/14/1987

Progress at the INPI

  1. Filing10/17/85
  2. Publication07/14/87
  3. Examination04/26/88
  4. Allowance09/13/94
  5. Grant04/25/95
  6. Expired07/15/08

The letters patent expired on 07/15/2008: 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: 04/26/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

O. O. (pessoa física)

NO

Sintef

NO

Inventors

O. O. (pessoa física)

NO

Technical data

IPC Classification

Priority claims

NO

84.4675 · 11/23/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

04/26/1988

RPI 914

Notificação de entrada na fase nacional - PCT

#1.3

07/14/1987

RPI 873

Carta-patente expirada

#21.1

Patente extinta em 17/10/2000

07/15/2008

RPI 1958

Concessão da patente

#16.1

04/25/1995

RPI 1273

Notificação para pagamento de retribuição

#13.1

01/17/1995

RPI 1259

Deferimento

#9.1

09/13/1994

RPI 1241

14.1

08/17/1993

RPI 1185

Exigência - art. 36 da LPI

#6.1

09/15/1992

RPI 1137

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