Official data from INPI

COMPOSICAO DE ADITIVO PARA ALCOOL COMBUSTIVEL E PARA OLEO LUBRICANTE DE MOTORES DE COMBUSTAO INTERNA

Em AnáliseInvention Patent

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Application data

Number

PI8105293

Type

Invention Patent

Filing

08/19/1981

Publication

03/29/1983

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Progress at the INPI

Technical opinion to answer

Filing08/19/81
Publication03/29/83
Examination02/14/84
Allowance
Grant
In force

The INPI issued a technical opinion on patentability. The applicant must respond for examination to continue.

Latest action published by the INPI: 05/31/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

CARRAZZA VICENTE [BR]

FERREIRA MILTON CLAES [BR]

Inventors

F. [. (pessoa física)

Technical data

IPC Classification

C10L 1/22

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

05/31/1988

RPI 919

Conhecimento de parecer técnico

#7.1

12/18/1984

RPI 739

Solicitação de exame técnico

#4.1

02/14/1984

RPI 695

Publicação do pedido de patente

#3.1

03/29/1983

RPI 649

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