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Official data from INPI

Processo para a preparação de 2, 6-dialquilciclo-Hexilaminas.

ConcedidaInvention Patent
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Application data

Number

PI8004342

Type

Invention Patent

Filing

07/11/1980

Publication

-
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Progress at the INPI

  1. Filing07/11/80
  2. Publication
  3. Examination03/29/83
  4. Allowance07/09/85
  5. Grant02/04/86
  6. Terminated07/26/94

The patent was granted on 02/04/1986 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: 02/04/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ciba-Geigy AG

CH

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Inventors

B. J. (pessoa física)

G. H. (pessoa física)

N. J. (pessoa física)

P. H. (pessoa física)

Technical data

IPC Classification

C07C 209/16C07C 211/35

Priority claims

US

56.164 · 07/13/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/04/1986

RPI 798

Notificação para pagamento de retribuição

#13.1

11/12/1985

RPI 786

Deferimento

#9.1

07/09/1985

RPI 768

Exigência - art. 36 da LPI

#6.1

11/06/1984

RPI 733

Exigência - art. 36 da LPI

#6.1

01/31/1984

RPI 693

Solicitação de exame técnico

#4.1

03/29/1983

RPI 649

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: C07C 87/36; C07C 209/16; C07C 211/35; C07C 209/00; C07C 211/00.

03/20/2018

RPI 2463

Anuidade - prazo legal encerrado

#18.2

07/26/1994

RPI 1234

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