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Official data from INPI

PROCESSO DE USO DE AGENTES PROLONGADOS DA CADEIA HIDROCARBÔNICA DOS COLETORES NA FLUTUAÇÃO DE MINÉRIOS DE COBRE

IndeferidaInvention Patent

Application data

Number

PI8007274

Type

Invention Patent

Filing

11/07/1980

Publication

07/13/1982

Progress at the INPI

Under appeal
  1. Filing11/07/80
  2. Publication07/13/82
  3. Examination01/11/83
  4. Refused01/22/85
  5. Grant
  6. In force

The application was refused by the INPI on 01/22/1985. The invention was never patented.

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Latest action published by the INPI: 01/22/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. D. (pessoa física)

MG, BR

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Inventors

A. D. (pessoa física)

V. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

01/22/1985

RPI 744

Republicação - classificação IPC

#15.11

02/28/1984

RPI 697

Conhecimento de parecer técnico

#7.1

11/01/1983

RPI 680

Solicitação de exame técnico

#4.1

01/11/1983

RPI 638

Publicação do pedido de patente

#3.1

07/13/1982

RPI 612

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