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Official data from INPI

PROCESSO PARA PURIFICAÇÃO DE 1,1-BIS(CLOROFENIL)-2,2,2-TRICLOROETANOL TÉCNICO

Arquivada/ExtintaInvention Patent

Application data

Number

PI8906505

Type

Invention Patent

Filing

12/15/1989

Publication

08/28/1990

Progress at the INPI

  1. Filing12/15/89
  2. Publication08/28/90
  3. Examination10/13/92
  4. Allowance07/16/96
  5. Grant05/27/97
  6. Expired01/02/13

The letters patent expired on 01/02/2013: 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: 01/02/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Sociedad Espa¤ola de Desarrollos Químicos S A

ES

Inventors

J. A. (pessoa física)

ES

J. S. (pessoa física)

ES

Technical data

IPC Classification

Priority claims

ES

8803818 · 12/16/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 15/12/2009

01/02/2013

RPI 2191

Concessão da patente

#16.1

05/27/1997

RPI 1382

Notificação para pagamento de retribuição

#13.1

03/11/1997

RPI 1371

Deferimento

#9.1

07/16/1996

RPI 1337

Solicitação de exame técnico

#4.1

10/13/1992

RPI 1141

Publicação do pedido de patente

#3.1

08/28/1990

RPI 1030

Pedido de patente depositado

#2.1

05/08/1990

RPI 1017

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