Official data from INPI

AGENTE GELIFICANTE PARA GELIFICAR SOLUCOES AQUOSAS DE ACIDO INORGANICO

IndeferidaInvention Patent

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Application data

Number

PI7807830

Type

Invention Patent

Filing

01/23/1978

Publication

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Progress at the INPI

Under appeal

Filing01/23/78
Publication
Examination
Refused06/28/83
Grant
In force

The application was refused by the INPI on 06/28/1983. The invention was never patented.

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Latest action published by the INPI: 06/28/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

HALLIBURTON 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).

Indeferimento

#9.2

06/28/1983

RPI 662

Conhecimento de parecer técnico

#7.1

08/17/1982

RPI 617

6.2

10/27/1981

RPI 575

From the same holder

PROCESSO PARA RETARDAR A VELOCIDADE DE REACAO DE UM FLUIDO ACIDULANTE SOBRE UMA FORMACAO CALCARIA;SOLUCAO AIDA AQUOSA QUIMICAMENTE RETARDADA;SOLUCAO ACID A AQUOSA GELIZADA;E EMULCAO DE ACIDO-OLEO EXTERNA EM OLEO CONJUNTO DE DIAFRAGMA(DE FECHAMENTO)E DISPOSITIVO ANULAR RETENTOR DE DIAFRAGMA TAMPAO DE VEDACAO DO INTERIOR DE PECAS CILINDRICAS OCAS PROCESSO PARA FRATURAR FORMACOES SUBTERRANEAS COMPOSICAO AQUOSA E PROCESSO PARA REMOCAO DE DEPOSITOS CONTENDO ASFALTENICOS E PARAFINICOS PROCESSO PARA TRATAMENTO DE UMA FORMACAO SUBTERRANEA DE POCO SOLUCOES AQUOSAS GELIFICADAS DE ACIDO INORGANICO,E PROCESSOS PARA USO DAS MESMAS

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