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Official data from INPI

COMPOSIÇÕES POLIOLEFÍNICAS.

PublicadaInvention Patent

Application data

Number

PI8701415

Type

Invention Patent

Filing

03/27/1987

Publication

12/29/1987

Progress at the INPI

  1. Filing03/27/87
  2. Publication12/29/87
  3. Examination10/16/90
  4. Allowance03/02/93
  5. Grant09/28/93
  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: 12/29/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Societe Chimique Des Charbonnages S.A

FR

See this company's full portfolio

Inventors

V. C. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

86/04499 · 03/28/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

12/29/1987

RPI 897

Pedido de patente depositado

#2.1

07/07/1987

RPI 872

Carta-patente expirada

#21.1

Patente extinta em 27/03/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

09/28/1993

RPI 1191

Notificação para pagamento de retribuição

#13.1

06/15/1993

RPI 1176

Deferimento

#9.1

03/02/1993

RPI 1161

Exigência - art. 36 da LPI

#6.1

01/14/1992

RPI 1102

Solicitação de exame técnico

#4.1

11/13/1990

RPI 1041

Solicitação de exame técnico

#4.1

10/16/1990

RPI 1037

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