(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE UM COMPOSTO 2-HALOPIRROL 3-CARBONITRILA.

Arquivada/ExtintaInvention Patent

Application data

Number

PI9105338

Type

Invention Patent

Filing

12/11/1991

Publication

08/25/1992

Progress at the INPI

  1. Filing12/11/91
  2. Publication08/25/92
  3. Examination07/19/94
  4. Allowance07/27/99
  5. Grant12/28/99
  6. Expired06/11/13

The letters patent expired on 06/11/2013: 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: 03/27/2018. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

American Cyanamid Company

US

See this company's full portfolio

Inventors

G. L. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

07/625,739 · 12/11/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: C07D 217/416; A01N 43/36.

03/27/2018

RPI 2464

Carta-patente expirada

#21.1

Patente extinta em 11/12/2011

06/11/2013

RPI 2214

Concessão da patente

#16.1

12/28/1999

RPI 1512

Deferimento

#9.1

07/27/1999

RPI 1490

Exigência - art. 36 da LPI

#6.1

12/01/1998

RPI 1456

Solicitação de exame técnico

#4.1

07/19/1994

RPI 1233

Publicação do pedido de patente

#3.1

08/25/1992

RPI 1134

Pedido de patente depositado

#2.1

01/28/1992

RPI 1104

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.