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Official data from INPI

COMPOSICOES BEM COMO PROCESSO PARA TRATAMENTO DE UMA COMPOSICAO CONTENDO PELO MENOS UM ALCOOL SELECIONADO DO GRUPO QUE CONSISTE EM METANOL E ETANOL

Em AnáliseInvention Patent

Application data

Number

PI8107381

Type

Invention Patent

Filing

11/14/1980

Publication

08/10/1982

Progress at the INPI

  1. Filing11/14/80
  2. Publication08/10/82
  3. Examination06/05/84
  4. Allowance
  5. Grant
  6. In force

Published on 08/10/1982, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.

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Latest action published by the INPI: 02/09/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

TEXACO DEVELOPMENT CORP [US]

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Inventors

R. S. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

02/09/1988

RPI 903

Solicitação de exame técnico

#4.1

06/05/1984

RPI 711

Publicação do pedido de patente

#3.1

08/10/1982

RPI 616

Pedido de patente depositado

#2.1

12/29/1981

RPI 584

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