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Official data from INPI

COMPOSIÇÃO DE CATALISADOR, PROCESSO DE CRAQUEAMENTO CATALÍTICO, COMPOSIÇÃO DE PARTÍCULAS FLUIDIFICÁVEIS E PROCESSO PARA PREPARAÇÃO DE CATALISADOR DE CRAQUEAMENTO RESISTENTE AO VANADIO

PublicadaInvention Patent

Application data

Number

PI8705298

Type

Invention Patent

Filing

10/06/1987

Publication

07/19/1988

Progress at the INPI

Under appeal
  1. Filing10/06/87
  2. Publication07/19/88
  3. Examination11/13/90
  4. Refused12/21/93
  5. Grant
  6. In force

The application was refused by the INPI on 12/21/1993. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 07/19/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

E. C. (pessoa física)

US

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Inventors

C. A. (pessoa física)

US

P. S. (pessoa física)

US

Technical data

Priority claims

US

937.943 · 12/04/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

07/19/1988

RPI 926

Pedido de patente depositado

#2.1

12/22/1987

RPI 896

Indeferimento

#9.2

12/21/1993

RPI 1203

Conhecimento de parecer técnico

#7.1

01/14/1992

RPI 1102

Pedido de certificado de adição de invenção

#5.1

03/05/1991

RPI 1057

Solicitação de exame técnico

#4.1

11/13/1990

RPI 1041

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