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Official data from INPI

PROCESSO PARA ISOMERIZAR UMA CARGA DE ALIMENTAÇÃO DE ISOMERIZAÇÃO CONTENDO UMA MISTURA AROMÁTICA C8 DE ETILBENZENO E XILENO

Em AnáliseInvention Patent

Application data

Number

PI8404872

Type

Invention Patent

Filing

09/27/1984

Publication

08/13/1985

Progress at the INPI

Awaiting grant fee payment
  1. Filing09/27/84
  2. Publication08/13/85
  3. Examination05/05/87
  4. Allowance07/24/90
  5. Grant
  6. In force

The application was allowed by the INPI on 07/24/1990. The grant of the letters patent is being processed.

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Latest action published by the INPI: 05/05/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M. C. (pessoa física)

US

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Inventors

C. K. (pessoa física)

US

J. V. (pessoa física)

US

M. N. (pessoa física)

US

Technical data

Priority claims

US

536.471 · 09/28/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

05/05/1987

RPI 863

Publicação do pedido de patente

#3.1

08/13/1985

RPI 773

Pedido de patente depositado

#2.1

12/11/1984

RPI 738

Retificação

#15.3

09/11/1990

RPI 1032

Deferimento

#9.1

07/24/1990

RPI 1025

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