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Official data from INPI

UMA COMPOSICAO E UM PROCESSO PARA FLOTACAO EM ESPUMA DE VALORES MINERAIS A PARTIR DE MINERIOS

Em AnáliseInvention Patent

Application data

Number

PI8506788

Type

Invention Patent

Filing

06/04/1984

Publication

11/25/1986

Progress at the INPI

  1. Filing06/04/84
  2. Publication11/25/86
  3. Abandoned02/23/88
  4. Allowance
  5. Grant
  6. In force

The applicant withdrew the application. The case ended without a patent.

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Latest action published by the INPI: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DOW CHEMICAL CO [US]

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Inventors

B. [. (pessoa física)

H. [. (pessoa física)

K. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

10.1

09/26/1989

RPI 988

Solicitação de exame técnico

#4.1

02/23/1988

RPI 905

Notificação de entrada na fase nacional - PCT

#1.3

11/25/1986

RPI 840

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