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Official data from INPI

PROCESSO DE PREPARAÇÃO DE COMPOSTOS CARBONILADOS ETILÊNICOS

PublicadaInvention Patent

Application data

Number

PI8702013

Type

Invention Patent

Filing

04/03/1987

Publication

02/02/1988

Progress at the INPI

  1. Filing04/03/87
  2. Publication02/02/88
  3. Examination08/28/90
  4. Allowance08/26/97
  5. Grant08/25/98
  6. Expired08/26/08

The letters patent expired on 08/26/2008: 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: 02/02/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

R. S. (pessoa física)

FR

Inventors

P. C. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

86/04769 · 04/03/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

02/02/1988

RPI 902

Pedido de patente depositado

#2.1

07/28/1987

RPI 875

Carta-patente expirada

#21.1

Patente extinta em 25/08/2008

08/26/2008

RPI 1964

Concessão da patente

#16.1

08/25/1998

RPI 1444

Deferimento

#9.1

08/26/1997

RPI 1395

Exigência - art. 36 da LPI

#6.1

11/12/1996

RPI 1354

Exigência - art. 36 da LPI

#6.1

01/31/1995

RPI 1261

Solicitação de exame técnico

#4.1

08/28/1990

RPI 1030

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