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Official data from INPI

APERFEIÇOAMENTO EM PROCESSO PARA A PREPARAÇÀO DE ÓXIDO DE POLIFENILENO POR REAÇÀO CATALÍTICA DE OXIGÊNIO COM UM COMPOSTO MONO-HIDROXI-AROMÁTICO EM SOLUÇÀO

Em AnáliseInvention Patent

Application data

Number

PI8505195

Type

Invention Patent

Filing

10/09/1985

Publication

07/29/1986

Progress at the INPI

Under appeal
  1. Filing10/09/85
  2. Publication07/29/86
  3. Examination08/16/88
  4. Refused03/05/91
  5. Grant
  6. In force

The application was refused by the INPI on 03/05/1991. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 08/16/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

General Electric Company

US

See this company's full portfolio

Inventors

D. M. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

659.045 · 10/09/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

08/16/1988

RPI 930

Publicação do pedido de patente

#3.1

07/29/1986

RPI 823

Pedido de patente depositado

#2.1

01/07/1986

RPI 794

Indeferimento

#9.2

03/05/1991

RPI 1057

Conhecimento de parecer técnico

#7.1

03/13/1990

RPI 1009

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