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Official data from INPI

UMA COMPOSIÇÃO VINIL AROMÁTICA ESTABILIZADA E PROCESSO PARA INIBIR A POLIMERIZAÇÃO DE UM COMPOSTO VINIL AROMÁTICO

PublicadaInvention Patent
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Application data

Number

PI8802837

Type

Invention Patent

Filing

06/10/1988

Publication

01/03/1989
View on INPI

Progress at the INPI

  1. Filing06/10/88
  2. Publication01/03/89
  3. Abandoned01/08/91
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

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Latest action published by the INPI: 01/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Uniroyal Chemical Company, Inc.

US

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Inventors

E. J. (pessoa física)

US

G. A. (pessoa física)

US

P. S. (pessoa física)

US

Technical data

IPC Classification

C08K 5/18C08L 25/04C08L 25/16

Priority claims

US

061,855 · 06/12/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

01/03/1989

RPI 950

Pedido de patente depositado

#2.1

11/01/1988

RPI 941

Arquivamento - Art. 36 §1° da LPI

#11.2

04/06/1999

RPI 1474

Exigência - art. 36 da LPI

#6.1

12/30/1997

RPI 1410

Exigência - art. 36 da LPI

#6.1

08/06/1996

RPI 1340

Solicitação de exame técnico

#4.1

01/08/1991

RPI 1049

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