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Official data from INPI

PROCESSO PARA A PREPARACAO DE BIS(CICLOALQUENO)-PIRIDINAS

Em AnáliseInvention Patent

Application data

Number

PI7705883

Type

Invention Patent

Filing

08/16/1977

Publication

-

Progress at the INPI

  1. Filing08/16/77
  2. Publication
  3. Examination
  4. Allowance08/03/82
  5. Grant02/22/83
  6. Terminated07/12/88

The patent was granted on 02/22/1983 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: 07/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DEGUSSA

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Inventors

B. H. (pessoa física)

F. H. (pessoa física)

K. A. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

07/12/1988

RPI 925

Cessão de direito de exploração

#22.1

04/15/1986

RPI 808

20.4

08/16/1983

RPI 669

Concessão da patente

#16.1

02/22/1983

RPI 644

Notificação para pagamento de retribuição

#13.1

12/14/1982

RPI 634

Republicação - classificação IPC

#15.11

09/08/1982

RPI 620

Deferimento

#9.1

08/03/1982

RPI 615

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