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Official data from INPI

COMPOSIÇÃO DE CATALISADOR DE CRAQUEAMENTO E PROCESSO DE CRAQUEAMENTO CATALÍTICO DE METAIS CONTÉNDO HIDROCARBONETOS

Em AnáliseInvention Patent

Application data

Number

PI8604971

Type

Invention Patent

Filing

10/10/1986

Publication

07/14/1987

Progress at the INPI

Under appeal
  1. Filing10/10/86
  2. Publication07/14/87
  3. Examination08/01/89
  4. Refused09/05/95
  5. Grant
  6. In force

The application was refused by the INPI on 09/05/1995. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 10/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W. R. Grace & Co. -Conn.

US

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Inventors

W. F. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de certificado de adição de invenção

#5.1

10/31/1989

RPI 993

Solicitação de exame técnico

#4.1

08/01/1989

RPI 980

Publicação do pedido de patente

#3.1

07/14/1987

RPI 873

Pedido de patente depositado

#2.1

04/07/1987

RPI 859

Indeferimento

#9.2

09/05/1995

RPI 1292

Conhecimento de parecer técnico

#7.1

09/20/1994

RPI 1242

14.4

12/26/1990

RPI 1047

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