Official data from INPI

PROCESSO PARA A PREPARACAO DE N-NITROSO-DIFENILAMINA

IndeferidaInvention Patent

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Application data

Number

PI7900825

Type

Invention Patent

Filing

02/09/1979

Publication

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Progress at the INPI

Under appeal

Filing02/09/79
Publication
Examination
Refused12/20/83
Grant
In force

The application was refused by the INPI on 12/20/1983. The invention was never patented.

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Latest action published by the INPI: 12/20/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BAYER BRASIL SA

Inventors

B. W. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

12/20/1983

RPI 687

Conhecimento de parecer técnico

#7.1

01/25/1983

RPI 640

From the same holder

DOSIFICADOR PASTA AGLUTINANTE AQUOSA,PROCESSO PARA SUA PREPARACAO E SUA APLICACAO

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