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Official data from INPI

PROCESSO PARA A N-DESNITRAÇÃO DE UMA N,2,6-TRINOTRO-ANILINA.

ConcedidaInvention Patent

Application data

Number

PI8106310

Type

Invention Patent

Filing

09/30/1981

Publication

06/22/1982

Progress at the INPI

  1. Filing09/30/81
  2. Publication06/22/82
  3. Examination08/07/84
  4. Allowance03/11/86
  5. Grant09/30/86
  6. In force09/30/01

The patent was granted on 09/30/1986 and is in force until 09/30/2001. Until then, no one may make, use or sell the invention in Brazil without the owner's authorisation.

Protection valid until:09/30/2001

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Latest action published by the INPI: 09/30/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

American Cyanamid Company

US

See this company's full portfolio

Inventors

D. A. (pessoa física)

Z. K. (pessoa física)

Technical data

IPC Classification

Priority claims

US

195.264 · 10/08/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/30/1986

RPI 832

Notificação para pagamento de retribuição

#13.1

07/01/1986

RPI 819

Deferimento

#9.1

03/11/1986

RPI 803

Exigência - art. 36 da LPI

#6.1

04/02/1985

RPI 754

Solicitação de exame técnico

#4.1

08/07/1984

RPI 720

Publicação do pedido de patente

#3.1

06/22/1982

RPI 609

Pedido de patente depositado

#2.1

11/17/1981

RPI 578

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: C07C 87/52; B01J 27/14; C07C 67/00; C07C 209/00; C07C 209/42; C07C 211/52; C07C 213/00; C07C 217/08; C07C 211/00; C07C 217/00.

03/27/2018

RPI 2464

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