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Official data from INPI

Processo para recuperação de substâncias sólidas de gases, líquidos ou resíduos brutos sólidos.

ConcedidaInvention Patent

Application data

Number

PI7908959

Type

Invention Patent

Filing

12/19/1979

Publication

-

Progress at the INPI

  1. Filing12/19/79
  2. Publication
  3. Examination10/19/82
  4. Allowance05/22/84
  5. Grant12/26/84
  6. Terminated09/25/90

The patent was granted on 12/26/1984 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 12/26/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Alkem GmbH

DE

Battelle-Institut e. V.

DE

See this company's full portfolio

Inventors

E. R. (pessoa física)

L. F. (pessoa física)

S. D. (pessoa física)

S. W. (pessoa física)

S. W. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

2855548.8 · 12/22/1978

DE

2904627.3 · 02/07/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/26/1984

RPI 740

Republicação - classificação IPC

#15.11

10/16/1984

RPI 730

Notificação para pagamento de retribuição

#13.1

09/04/1984

RPI 724

Deferimento

#9.1

05/22/1984

RPI 709

Exigência - art. 36 da LPI

#6.1

12/27/1983

RPI 688

Solicitação de exame técnico

#4.1

10/19/1982

RPI 626

Anuidade - prazo legal encerrado

#18.2

09/25/1990

RPI 1034

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