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Official data from INPI

PROCESSO DE PRODUÇÃO DE UMA COMPOSIÇÃO DE FOSFATO DE ALUMÍNIO E PROCESSO DE PRODUÇÃO DE UM CATALISADOR E POLIMERIZAÇÃO

Em AnáliseInvention Patent

Application data

Number

PI8604070

Type

Invention Patent

Filing

08/26/1986

Publication

04/07/1987

Progress at the INPI

Under appeal
  1. Filing08/26/86
  2. Publication04/07/87
  3. Examination05/09/89
  4. Refused09/15/92
  5. Grant
  6. In force

The application was refused by the INPI on 09/15/1992. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 05/09/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W. R. Grace & Co, Conn.

US

See this company's full portfolio

Inventors

R. G. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

770.550 · 08/29/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

05/09/1989

RPI 968

Publicação do pedido de patente

#3.1

04/07/1987

RPI 859

Pedido de patente depositado

#2.1

03/17/1987

RPI 856

Indeferimento

#9.2

09/15/1992

RPI 1137

Conhecimento de parecer técnico

#7.1

10/15/1991

RPI 1089

14.4

09/25/1990

RPI 1034

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