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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE COMPOSIÇÕES ORGÂNICAS ESTÁVEIS

PublicadaInvention Patent
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Application data

Number

PI8800990

Type

Invention Patent

Filing

03/07/1988

Publication

10/11/1988
View on INPI

Progress at the INPI

  1. Filing03/07/88
  2. Publication10/11/88
  3. Examination12/11/90
  4. Allowance04/14/98
  5. Grant10/27/98
  6. Expired12/11/12

The letters patent expired on 12/11/2012: 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: 10/11/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Goodyear Tire & Rubber Company

US

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Inventors

B. S. (pessoa física)

US

J. J. (pessoa física)

US

J. K. (pessoa física)

US

Technical data

IPC Classification

C08K 5/37C08L 7/00C08L 9/00

Priority claims

US

023.592 · 03/09/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

10/11/1988

RPI 938

Pedido de patente depositado

#2.1

07/12/1988

RPI 925

Carta-patente expirada

#21.1

Patente extinta em 27/10/2008

12/11/2012

RPI 2188

Concessão da patente

#16.1

10/27/1998

RPI 1451

Deferimento

#9.1

04/14/1998

RPI 1425

Exigência - art. 36 da LPI

#6.1

02/27/1996

RPI 1317

Exigência - art. 36 da LPI

#6.1

08/01/1995

RPI 1287

Exigência - art. 36 da LPI

#6.1

02/07/1995

RPI 1262

Solicitação de exame técnico

#4.1

12/11/1990

RPI 1045

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