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Official data from INPI

Processo para a preparação de material trocador de íon de celulose carboxilada, material trocador de íon de celulose carboxilada e processo para a remoção de íons de metal pesado de soluções aquosas.

ArquivadaInvention Patent

Application data

Number

PI7906486

Type

Invention Patent

Filing

10/09/1979

Publication

-

Progress at the INPI

  1. Filing10/09/79
  2. Publication
  3. Abandoned
  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: 09/21/1982. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

P. C. (pessoa física)

PA

Inventors

No inventors listed.

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

09/21/1982

RPI 622

6.2

04/06/1982

RPI 598

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