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Official data from INPI

PROCESSO SELETIVO PARA EPOXIDAÇÃO DO ESTIRENO A ÓXIDO DE ESTIRENO.

Em AnáliseInvention Patent

Application data

Number

PI8500801

Type

Invention Patent

Filing

02/15/1985

Publication

09/23/1986

Progress at the INPI

Awaiting grant fee payment
  1. Filing02/15/85
  2. Publication09/23/86
  3. Examination10/11/88
  4. Allowance09/25/90
  5. Grant
  6. In force

The application was allowed by the INPI on 09/25/1990. The grant of the letters patent is being processed.

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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

Rhodia S/A

SP, BR

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Inventors

C. B. (pessoa física)

BR

L. A. (pessoa física)

BR

M. G. (pessoa física)

BR

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

10/11/1988

RPI 938

Publicação do pedido de patente

#3.1

09/23/1986

RPI 831

Pedido de patente depositado

#2.1

05/14/1985

RPI 760

Retificação

#15.3

01/15/1991

RPI 1050

Deferimento

#9.1

09/25/1990

RPI 1034

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