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Official data from INPI

PROCESSO PARA A PRODUÇÃO DE UMA COMPOSIÇÃO COMPREENDENDO UM POLÍMERO DE BUT-1-ENO E UM POLÍMERO DE PROPILENO E ARTIGO

Prazo de SigiloInvention Patent
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Application data

Number

PI8902321

Type

Invention Patent

Filing

05/18/1989

Publication

01/09/1990
View on INPI

Progress at the INPI

Office action pending
  1. Filing05/18/89
  2. Publication01/09/90
  3. Examination02/25/92
  4. Allowance
  5. Grant
  6. In force

The INPI issued a technical office action on this application. If it is not answered in time, the application is abandoned (art. 36 of the Brazilian IP Act).

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Latest action published by the INPI: 07/04/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Shell Oil Company

US

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Inventors

C. H. (pessoa física)

Technical data

IPC Classification

C08L 23/10C08L 23/20

Priority claims

US

198.548 · 05/24/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

07/04/1989

RPI 976

Retificação

#15.3

04/29/1997

RPI 1378

Republicação - classificação IPC

#15.11

03/04/1997

RPI 1370

Exigência - art. 36 da LPI

#6.1

02/27/1996

RPI 1317

Exigência - art. 36 da LPI

#6.1

09/13/1994

RPI 1241

Solicitação de exame técnico

#4.1

02/25/1992

RPI 1108

Publicação do pedido de patente

#3.1

01/09/1990

RPI 1001

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