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Official data from INPI

PROCESSO DE PREPARAÇÃO DE RESINAS FENÓLICAS MODIFICADAS COM O METAL

Em AnáliseInvention Patent
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Application data

Number

PI8600960

Type

Invention Patent

Filing

03/06/1986

Publication

11/11/1986
View on INPI

Progress at the INPI

  1. Filing03/06/86
  2. Publication11/11/86
  3. Examination08/09/88
  4. Allowance06/20/95
  5. Grant11/28/95
  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: 08/09/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

O. C. (pessoa física)

US

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Inventors

D. T. (pessoa física)

US

J. G. (pessoa física)

US

V. C. (pessoa física)

US

Technical data

IPC Classification

C08G 8/10C08G 8/12

Priority claims

US

709.461 · 03/07/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

08/09/1988

RPI 929

Publicação do pedido de patente

#3.1

11/11/1986

RPI 838

Pedido de patente depositado

#2.1

08/26/1986

RPI 827

Carta-patente expirada

#21.1

Patente extinta em 06/03/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

11/28/1995

RPI 1304

Deferimento

#9.1

06/20/1995

RPI 1281

Exigência - art. 36 da LPI

#6.1

10/06/1992

RPI 1140

Exigência - art. 36 da LPI

#6.1

10/29/1991

RPI 1091

6.2

01/02/1990

RPI 1000

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