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Official data from INPI

PROCESSO PARA FLOTACAO EM ESPUMA,DE MINERIOS MINERAIS OU COMPOSTO CONTENDO FOSFATO,FLUORETO,COBRE OU COBALTO,COMPOSTO ANFOTERO USANDO NO MESMO,BEM COMO PROCESSO PARA PREPARACAO DO DITO COMPOSTO

ArquivadaInvention Patent

Application data

Number

PI8303756

Type

Invention Patent

Filing

07/13/1983

Publication

02/26/1985

Progress at the INPI

  1. Filing07/13/83
  2. Publication02/26/85
  3. Abandoned04/28/87
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 05/23/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SENTRACHEM LTD [ZA]

Inventors

B. J. (pessoa física)

C. E. (pessoa física)

R. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

05/23/1989

RPI 970

Exigência - art. 36 da LPI

#6.1

11/29/1988

RPI 945

Solicitação de exame técnico

#4.1

04/28/1987

RPI 862

Publicação do pedido de patente

#3.1

02/26/1985

RPI 749

Pedido de patente depositado

#2.1

09/20/1983

RPI 674

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