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Official data from INPI

COMPOSIÇÃO CATALÍTICA EMPREGADA EM ENDURECIMENTO DE ORGANOPOLISSILOXANOS À TEMPERATURA AMBIENTE.

PublicadaInvention Patent

Application data

Number

PI8700056

Type

Invention Patent

Filing

01/08/1987

Publication

12/01/1987

Progress at the INPI

  1. Filing01/08/87
  2. Publication12/01/87
  3. Examination03/20/90
  4. Allowance10/19/93
  5. Grant05/31/94
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 12/01/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

R. C. (pessoa física)

FR

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Inventors

C. M. (pessoa física)

FR

Technical data

Priority claims

FR

8600404 · 01/09/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

12/01/1987

RPI 893

Pedido de patente depositado

#2.1

05/12/1987

RPI 864

Carta-patente expirada

#21.1

Patente extinta em 08/01/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

05/31/1994

RPI 1226

Deferimento

#9.1

10/19/1993

RPI 1194

Exigência - art. 36 da LPI

#6.1

07/07/1992

RPI 1127

Exigência - art. 36 da LPI

#6.1

11/05/1991

RPI 1092

Solicitação de exame técnico

#4.1

03/20/1990

RPI 1010

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