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Official data from INPI

CATALISADOR PARA A OXIDACAO EM FASE VAPOR DE ETILENO A OXIDO DE ETILENO, PROCESSO PARA PREPARAR UM CATALISADOR DE PRATA E PROCESSO PARA A OXIDACAO DE ETILENO COM OXIGENIO MOLECULAR A OXIDO DE ETILENO

Em ExigênciaInvention Patent

Application data

Number

PI8301487

Type

Invention Patent

Filing

03/24/1982

Publication

12/06/1983

Progress at the INPI

  1. Filing03/24/82
  2. Publication12/06/83
  3. Examination05/06/86
  4. Allowance
  5. Grant
  6. In force

Published on 12/06/1983, 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: 10/17/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

HALCON SD GROUP INC [US]

Inventors

A. D. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

10/17/1989

RPI 991

Conhecimento de parecer técnico

#7.1

08/25/1987

RPI 879

Pedido de certificado de adição de invenção

#5.1

09/16/1986

RPI 830

Solicitação de exame técnico

#4.1

05/06/1986

RPI 811

Publicação do pedido de patente

#3.1

12/06/1983

RPI 685

Pedido de patente depositado

#2.1

05/10/1983

RPI 655

101

01/15/1991

RPI 1050

14.1

09/04/1990

RPI 1031

Recurso

#12.1

08/28/1990

RPI 1030

14.4

08/28/1990

RPI 1030

Deferimento

#9.1

04/03/1990

RPI 1012

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