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Official data from INPI

PROCESSO DE OXIDAÇÃO CATALÍTICA DE ALCANOS EM MISTURAS DE ÁLCOOIS E DE CETONAS

PublicadaInvention Patent

Application data

Number

PI8900973

Type

Invention Patent

Filing

03/02/1989

Publication

10/24/1989

Progress at the INPI

  1. Filing03/02/89
  2. Publication10/24/89
  3. Examination10/01/91
  4. Allowance04/09/96
  5. Grant03/25/97
  6. Expired12/15/09

The letters patent expired on 12/15/2009: 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: 10/24/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

R. C. (pessoa física)

FR

See this company's full portfolio

Inventors

J. L. (pessoa física)

FR

M. C. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

8 02987 · 03/03/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

10/24/1989

RPI 992

Pedido de patente depositado

#2.1

04/11/1989

RPI 964

Carta-patente expirada

#21.1

Patente extinta em 02/03/2004

12/15/2009

RPI 2032

Concessão da patente

#16.1

03/25/1997

RPI 1373

Republicação - classificação IPC

#15.11

02/18/1997

RPI 1368

Deferimento

#9.1

04/09/1996

RPI 1323

Exigência - art. 36 da LPI

#6.1

06/27/1995

RPI 1282

Solicitação de exame técnico

#4.1

10/01/1991

RPI 1087

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