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Official data from INPI

PROCESSO DE PREPARACAO DE DERIVADOS MONONITRADOS DE TETRAHIDRO-1,2,3,4-ANTRAQUINONA

Em AnáliseInvention Patent

Application data

Number

PI8000325

Type

Invention Patent

Filing

01/19/1979

Publication

-

Progress at the INPI

  1. Filing01/19/79
  2. Publication
  3. Examination
  4. Allowance01/03/84
  5. Grant06/26/84
  6. Terminated05/17/88

The patent was granted on 06/26/1984 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 05/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

U. K. (pessoa física)

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Inventors

D. S. (pessoa física)

D. B. (pessoa física)

T. P. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/17/1988

RPI 917

Concessão da patente

#16.1

06/26/1984

RPI 714

Notificação para pagamento de retribuição

#13.1

04/24/1984

RPI 705

Deferimento

#9.1

01/03/1984

RPI 689

Exigência - art. 36 da LPI

#6.1

07/19/1983

RPI 665

6.2

11/23/1982

RPI 631

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