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Official data from INPI

Processo para a preparação de derivados da alquilteofillia basicamente substituidos.

Em AnáliseInvention Patent

Application data

Number

PI7905315

Type

Invention Patent

Filing

08/17/1979

Publication

-

Progress at the INPI

  1. Filing08/17/79
  2. Publication
  3. Examination05/17/83
  4. Allowance01/15/85
  5. Grant07/30/85
  6. Terminated10/03/89

The patent was granted on 07/30/1985 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: 10/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. R. (pessoa física)

DE

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Inventors

B. E. (pessoa física)

H. F. (pessoa física)

K. K. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

10/03/1989

RPI 989

20.4

11/04/1986

RPI 837

Concessão da patente

#16.1

07/30/1985

RPI 771

Notificação para pagamento de retribuição

#13.1

05/07/1985

RPI 759

Deferimento

#9.1

01/15/1985

RPI 743

Exigência - art. 36 da LPI

#6.1

02/28/1984

RPI 697

Solicitação de exame técnico

#4.1

05/17/1983

RPI 656

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