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Official data from INPI

ESTRUTURAS TERMOPLÁTICAS RÍGIDAS BIORIENTADAS DE CAMADAS POLIMÉRICAS MÚLTIPLAS COEXTRUDADAS

Prazo de SigiloInvention Patent

Application data

Number

PI8903605

Type

Invention Patent

Filing

07/20/1989

Publication

03/13/1990

Progress at the INPI

  1. Filing07/20/89
  2. Publication03/13/90
  3. Examination04/07/92
  4. Allowance05/20/97
  5. Grant01/21/98
  6. Expired12/26/12

The letters patent expired on 12/26/2012: 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: 11/07/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Solvay

BE

Solvay & Cie

BE

Solvay Industrial Foils Management and Research

BE

See this company's full portfolio

Inventors

C. D. (pessoa física)

BE

P. D. (pessoa física)

BE

Technical data

IPC Classification

Priority claims

FR

88 09995 · 07/21/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

11/07/1989

RPI 994

Carta-patente expirada

#21.1

Patente extinta em 20/07/2009

12/26/2012

RPI 2190

Transferência deferida

#25.1

Transferido de: Solvay

03/13/2007

RPI 1888

Alteração de nome deferida

#25.4

Alterado de: Solvay & Cie

02/27/2007

RPI 1886

Concessão da patente

#16.1

01/21/1998

RPI 1413

Deferimento

#9.1

05/20/1997

RPI 1381

Exigência - art. 36 da LPI

#6.1

10/01/1996

RPI 1348

Exigência - art. 36 da LPI

#6.1

03/19/1996

RPI 1320

Solicitação de exame técnico

#4.1

04/07/1992

RPI 1114

Publicação do pedido de patente

#3.1

03/13/1990

RPI 1009

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