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Official data from INPI

COMPOSIÇÃO TENSO-ATIVA, E, PROCESSO PARA SUA PREPARAÇÃO

Em AnáliseInvention Patent
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Application data

Number

PI8602005

Type

Invention Patent

Filing

05/05/1986

Publication

01/06/1987
View on INPI

Progress at the INPI

  1. Filing05/05/86
  2. Publication01/06/87
  3. Examination11/22/88
  4. Allowance04/25/95
  5. Grant10/31/95
  6. Expired07/22/08

The letters patent expired on 07/22/2008: 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: 11/22/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

R. C. (pessoa física)

FR

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Inventors

P. G. (pessoa física)

FR

S. Q. (pessoa física)

FR

Y. G. (pessoa física)

FR

Technical data

IPC Classification

C11D 10/00C11D 17/00

Priority claims

FR

85.06827 · 05/06/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

11/22/1988

RPI 944

Publicação do pedido de patente

#3.1

01/06/1987

RPI 846

Pedido de patente depositado

#2.1

11/11/1986

RPI 838

Carta-patente expirada

#21.1

Patente extinta em 05/05/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

10/31/1995

RPI 1300

Deferimento

#9.1

04/25/1995

RPI 1273

Exigência - art. 36 da LPI

#6.1

09/27/1994

RPI 1243

Exigência - art. 36 da LPI

#6.1

10/08/1991

RPI 1088

6.2

01/02/1990

RPI 1000

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