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Official data from INPI

BRANQUEAMENTO DA POLPA DO BAGACO COM OXIGENIO-ALCALI

ConcedidaInvention Patent

Application data

Number

PI8006809

Type

Invention Patent

Filing

10/22/1980

Publication

-

Progress at the INPI

  1. Filing10/22/80
  2. Publication
  3. Examination
  4. Allowance01/21/87
  5. Grant09/29/87
  6. Terminated08/02/94

The patent was granted on 09/29/1987 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: 09/29/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M. A. (pessoa física)

Inventors

C. M. (pessoa física)

C. J. (pessoa física)

R. N. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/29/1987

RPI 884

Notificação para pagamento de retribuição

#13.1

06/09/1987

RPI 868

Deferimento

#9.1

01/21/1987

RPI 848

8.1

07/22/1986

RPI 822

Exigência - art. 36 da LPI

#6.1

05/28/1985

RPI 762

Exigência - art. 36 da LPI

#6.1

08/21/1984

RPI 722

Conhecimento de parecer técnico

#7.1

12/20/1983

RPI 687

Anuidade - prazo legal encerrado

#18.2

08/02/1994

RPI 1235

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