Official data from INPI

PROCESSO APERFEICOADO PARA PREPARAR ACIDO ISO-OU TERAFTALICO

Arquivada/ExtintaInvention Patent

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Application data

Number

PI7704878

Type

Invention Patent

Filing

07/26/1976

Publication

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Progress at the INPI

Filing07/26/76
Publication
Abandoned
Allowance
Grant
In force

The application was abandoned at the INPI. The case ended without a patent and the technology is in the public domain in Brazil.

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Latest action published by the INPI: 12/30/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

STANDARD OIL CO

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Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

12/30/1986

RPI 845

8.1

07/22/1986

RPI 822

Conhecimento de parecer técnico

#7.1

09/14/1982

RPI 621

6.2

01/05/1982

RPI 585

From the same holder

MOTOR HIDRAULICO PARA UMA FERRAMENTA SACADORA DE AMOSTRA DA PERFURACAO PROCESSO DE PRODUCAO DE OXAZOL VALVULA REDUTORA DE FLUXO DE FLUIDO PARA UMA FERRAMENTA DE REMOCAO DE NUCLEO DE UM ORIFICIO DE SONDAGEM PROCESSO DE RECUPERACAO E PURIFICACAO DE ACRILONITRILO CATALISADORES COMPLEXOS DE OXIDO DE MULTIPLOS COMPONENTES E RESPECTIVO PROCESSO DE PRODUCAO LAMA DE CIMENTO HIDRAULICO E PROCESSO APERFEICOADO PARA CIMENTAR UM POCO PROCESSO PARA MELHORAR A COR E RESISTENCIA AO IMPACTO DOS POLIMEROS DE NITRILA PROCESSO PARA FORMACAO DE CATALISADORES COMPLEXOS DE OXIDOS DE MULTIPLOS COMPONENTES

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