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Official data from INPI

PROCESSO PARA PREPARACAO DE CATALISADOR DE OXIDACAO DE LEITO FLUIDO,PROCESSO PARA PRODUCAO DE ANIDRIDO MALEICO,E CATALISADOR DE OXIDACAO

IndeferidaInvention Patent

Application data

Number

PI8108534

Type

Invention Patent

Filing

12/31/1980

Publication

10/19/1982

Progress at the INPI

Under appeal
  1. Filing12/31/80
  2. Publication10/19/82
  3. Examination12/11/84
  4. Refused08/19/86
  5. Grant
  6. In force

The application was refused by the INPI on 08/19/1986. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 08/19/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

STANDARD OIL CO [US]

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Inventors

L. F. (pessoa física)

M. C. (pessoa física)

S. G. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

08/19/1986

RPI 826

Conhecimento de parecer técnico

#7.1

11/19/1985

RPI 787

Solicitação de exame técnico

#4.1

12/11/1984

RPI 738

Publicação do pedido de patente

#3.1

10/19/1982

RPI 626

Pedido de patente depositado

#2.1

02/24/1982

RPI 592

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