Official data from INPI

MATERIAL DE CONTRUCAO

Em AnáliseInvention Patent

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Application data

Number

PI7705168

Type

Invention Patent

Filing

08/05/1976

Publication

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Progress at the INPI

Filing08/05/76
Publication
Examination
Refused05/03/83
Grant
In force

The application was refused on 05/03/1983 and the appeal did not change the decision. The invention was never patented and the technology is in the public domain in Brazil.

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Latest action published by the INPI: 05/03/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

IDEMITSU KOSAN CO

I. Y. (pessoa física)

Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

111

05/03/1983

RPI 654

Petição de recurso

#12.2

07/20/1982

RPI 613

Indeferimento

#9.2

03/09/1982

RPI 594

From the same holder

COMPOSICAO DE RESINA DE POLICARBONATO RETARDADORA DE CHAMA DERIVADOS DE N-(ALFA,ALFA-DIALQUILBENZIL)-FENILACETAMIDA E COMPOSICAO HERBICIDA CONTENDO ESTES DERIVADOS

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