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Official data from INPI

PROCESSO PARA PRODUCAO DE HIDROXIDO DE POTASSIO EM UMA CELULA DE MEMBRANA ELETROLITICA

IndeferidaInvention Patent

Application data

Number

PI8003351

Type

Invention Patent

Filing

06/01/1979

Publication

-

Progress at the INPI

Under appeal
  1. Filing06/01/79
  2. Publication
  3. Examination
  4. Refused12/23/86
  5. Grant
  6. In force

The application was refused by the INPI on 12/23/1986. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 12/23/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

OLIN CORP

See this company's full portfolio

Inventors

L. R. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

12/23/1986

RPI 844

Republicação - classificação IPC

#15.11

09/18/1984

RPI 726

Republicação - classificação IPC

#15.11

01/10/1984

RPI 690

Conhecimento de parecer técnico

#7.1

09/06/1983

RPI 672

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