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Official data from INPI

PROCESSO PARA PREPARAÇÃO DE DERIVADOS DE ÁCIDOS NICOTÍNICOS SUBSTITUIDOS, E PROCESSO PARA O CONTROLE DE ESPÉCIES DE PLANTAS INDESEJÁVEIS

PublicadaInvention Patent

Application data

Number

PI8703877

Type

Invention Patent

Filing

07/27/1987

Publication

03/29/1988

Progress at the INPI

  1. Filing07/27/87
  2. Publication03/29/88
  3. Examination08/21/90
  4. Allowance06/27/95
  5. Grant01/30/96
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 03/29/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

American Cyanamid Company

US

See this company's full portfolio

Inventors

R. J. (pessoa física)

US

Technical data

Priority claims

US

889,999 · 07/28/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

03/29/1988

RPI 910

Pedido de patente depositado

#2.1

10/13/1987

RPI 886

Carta-patente expirada

#21.1

Patente extinta em 27/07/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

01/30/1996

RPI 1313

Notificação para pagamento de retribuição

#13.1

11/07/1995

RPI 1301

Deferimento

#9.1

06/27/1995

RPI 1282

11.8

04/05/1994

RPI 1218

Exigência - art. 36 da LPI

#6.1

04/05/1994

RPI 1218

Arquivamento - Art. 33 da LPI

#11.1

12/04/1990

RPI 1044

Solicitação de exame técnico

#4.1

08/21/1990

RPI 1029

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