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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE COMPOSTOS DE 2-ARIL-1-SUBSTITUÍDO-5(TRIFLÚOR-METIL)PIRROLA

Arquivada/ExtintaInvention Patent

Application data

Number

PI9105581

Type

Invention Patent

Filing

12/23/1991

Publication

09/01/1992

Progress at the INPI

  1. Filing12/23/91
  2. Publication09/01/92
  3. Examination10/18/94
  4. Allowance08/24/99
  5. Grant02/22/00
  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: 06/11/2013. 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. D. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

07/634.286 · 12/26/1990

Abstract

É estabelecido um processo para a preparação de arilpirrolas inseticidas, e intermediários para a manufatura de arilpirrolas inseticidas, através de um processo de etapa única de cicloadição 1,3-dipolar.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 23/12/2011

06/11/2013

RPI 2214

Concessão da patente

#16.1

02/22/2000

RPI 1520

Deferimento

#9.1

08/24/1999

RPI 1494

Exigência - art. 36 da LPI

#6.1

11/24/1998

RPI 1455

Solicitação de exame técnico

#4.1

10/18/1994

RPI 1246

Publicação do pedido de patente

#3.1

09/01/1992

RPI 1135

Pedido de patente depositado

#2.1

02/04/1992

RPI 1105

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