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Official data from INPI

PROCESSO PARA PREPARAÇÃO DE O-CARBÓXI-PIRIDIL- E O-CARBÓXI-QUINOLIL-IMIDAZOLINONAS

Arquivada/ExtintaInvention Patent

Application data

Number

PI9001296

Type

Invention Patent

Filing

03/20/1990

Publication

04/02/1991

Progress at the INPI

  1. Filing03/20/90
  2. Publication04/02/91
  3. Examination06/22/93
  4. Allowance10/01/96
  5. Grant06/24/97
  6. Expired05/21/13

The letters patent expired on 05/21/2013: 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: 05/21/2013. 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

IPC Classification

Priority claims

US

07/326,846 · 03/21/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 20/03/2010

05/21/2013

RPI 2211

Concessão da patente

#16.1

06/24/1997

RPI 1386

Deferimento

#9.1

10/01/1996

RPI 1348

Exigência - art. 36 da LPI

#6.1

01/23/1996

RPI 1312

Solicitação de exame técnico

#4.1

06/22/1993

RPI 1177

Publicação do pedido de patente

#3.1

04/02/1991

RPI 1061

Pedido de patente depositado

#2.1

08/21/1990

RPI 1029

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