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Official data from INPI

PROCESSOS PARA RECUPERACAO DE MGCL2 E KCI ANIDROS, PARA REMOCAO DE QUANTIDADES EM TRACOS DE CLORETO DE POTASSIO DE TORTAS DE FILTRO DE MGCL2 6NH3UMIDAS DE GLICOL, PARA RECUPERACAO DE MGCL2 ANIDRO E K2SO4, E PARA RECUPERACAO DE MGCL2 ANIDRO OU K2SO4 ANIDRO OU AMBOS

ArquivadaInvention Patent

Application data

Number

PI8001669

Type

Invention Patent

Filing

03/21/1979

Publication

-

Progress at the INPI

  1. Filing03/21/79
  2. Publication
  3. Abandoned01/25/83
  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: 12/18/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

NALCO CHEMICAL CO

Inventors

B. D. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

12/18/1984

RPI 739

Exigência - art. 36 da LPI

#6.1

01/10/1984

RPI 690

Solicitação de exame técnico

#4.1

01/25/1983

RPI 640

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