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Official data from INPI

Novas bisguanaminas.

ConcedidaInvention Patent

Application data

Number

PI8002985

Type

Invention Patent

Filing

05/14/1980

Publication

-

Progress at the INPI

  1. Filing05/14/80
  2. Publication
  3. Examination03/15/83
  4. Allowance04/08/86
  5. Grant03/17/87
  6. Expired06/13/95

The letters patent expired on 06/13/1995: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 03/17/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. R. (pessoa física)

DE

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Inventors

H. F. (pessoa física)

M. W. (pessoa física)

P. G. (pessoa física)

W. P. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

P 29 19 496.5 · 05/15/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/17/1987

RPI 856

14.4

11/18/1986

RPI 839

Notificação para pagamento de retribuição

#13.1

08/12/1986

RPI 825

Deferimento

#9.1

04/08/1986

RPI 807

Exigência - art. 36 da LPI

#6.1

07/23/1985

RPI 770

Exigência - art. 36 da LPI

#6.1

12/11/1984

RPI 738

Republicação - classificação IPC

#15.11

10/02/1984

RPI 728

Exigência - art. 36 da LPI

#6.1

01/31/1984

RPI 693

Solicitação de exame técnico

#4.1

03/15/1983

RPI 647

Carta-patente expirada

#21.1

06/13/1995

RPI 1280

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