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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE UM PLASTISSOL DE POLÍMERO(S) VINÍLICO(S) EXPANSÍVEL

PublicadaInvention Patent

Application data

Number

PI8805194

Type

Invention Patent

Filing

10/07/1988

Publication

05/23/1989

Progress at the INPI

  1. Filing10/07/88
  2. Publication05/23/89
  3. Examination04/30/91
  4. Allowance07/04/95
  5. Grant01/30/96
  6. Expired09/02/08

The letters patent expired on 09/02/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 05/23/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Solvay & Cie

BE

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Inventors

J. P. (pessoa física)

BE

Technical data

IPC Classification

Priority claims

FR

87.14168 · 10/12/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

05/23/1989

RPI 970

Pedido de patente depositado

#2.1

02/21/1989

RPI 957

Carta-patente expirada

#21.1

Patente extinta em 07/10/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

01/30/1996

RPI 1313

Notificação para pagamento de retribuição

#13.1

11/14/1995

RPI 1302

Deferimento

#9.1

07/04/1995

RPI 1283

Exigência - art. 36 da LPI

#6.1

08/23/1994

RPI 1238

Solicitação de exame técnico

#4.1

04/30/1991

RPI 1065

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