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Official data from INPI

PROCESSO PARA PRODUZIR UM GÁS RICO EM HIDROGÊNIO SUBSTANCIALMENTE ISENTO DE MONÓXIDO DE CARBONO E METANO.

IndeferidaInvention Patent

Application data

Number

PI8400612

Type

Invention Patent

Filing

02/13/1984

Publication

09/18/1984

Progress at the INPI

Under appeal
  1. Filing02/13/84
  2. Publication09/18/84
  3. Examination09/30/86
  4. Refused07/11/89
  5. Grant
  6. In force

The application was refused by the INPI on 07/11/1989. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 07/11/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Exxon Research And Engineering Company

US

See this company's full portfolio

Inventors

T. D. (pessoa física)

Technical data

IPC Classification

Priority claims

US

465.840 · 02/14/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

07/11/1989

RPI 977

Conhecimento de parecer técnico

#7.1

10/25/1988

RPI 940

Pedido de certificado de adição de invenção

#5.1

01/13/1987

RPI 847

Solicitação de exame técnico

#4.1

09/30/1986

RPI 832

Publicação do pedido de patente

#3.1

09/18/1984

RPI 726

Pedido de patente depositado

#2.1

04/24/1984

RPI 705

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