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Official data from INPI

COMPOSIÇÃO TERMOPLÁSTICA DE OLEFINA E PROCESSO PARA PREPARAR UMA COMPOSIÇÃO DE DVA

Em AnáliseInvention Patent

Application data

Number

PI8904199

Type

Invention Patent

Filing

08/21/1989

Publication

04/10/1990

Progress at the INPI

  1. Filing08/21/89
  2. Publication04/10/90
  3. Examination06/16/92
  4. Allowance
  5. Grant
  6. In force

Published on 04/10/1990, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.

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Latest action published by the INPI: 09/12/1995. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Advanced Elastomer Systems, L.P

US

Exxon Chemical Patents, Inc

US

See this company's full portfolio

Inventors

D. H. (pessoa física)

BE

R. P. (pessoa física)

BE

Technical data

IPC Classification

Priority claims

US

235,858 · 08/23/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

09/12/1995

RPI 1293

14.1

05/18/1993

RPI 1172

Solicitação de exame técnico

#4.1

06/16/1992

RPI 1124

Publicação do pedido de patente

#3.1

04/10/1990

RPI 1013

Pedido de patente depositado

#2.1

01/09/1990

RPI 1001

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