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Official data from INPI

PROCESSO DE PRODUÇÃO DE DISPERSÕES AQUOSAS DE COPOLÍMEROS

Arquivada/ExtintaInvention Patent

Application data

Number

PI9103253

Type

Invention Patent

Filing

07/30/1991

Publication

05/26/1992

Progress at the INPI

  1. Filing07/30/91
  2. Publication05/26/92
  3. Examination05/24/94
  4. Allowance08/17/99
  5. Grant02/22/00
  6. Expired06/04/13

The letters patent expired on 06/04/2013: 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: 06/04/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ciba Specialty Chemicals Oy

FI

R. C. (pessoa física)

FR

R. C. (pessoa física)

FR

Inventors

D. C. (pessoa física)

FR

N. O. (pessoa física)

FR

Technical data

Priority claims

FR

9009816 · 08/01/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 30/07/2011

06/04/2013

RPI 2213

Transferência deferida

#25.1

Transferido de: Rhodia Chimie

04/25/2006

RPI 1842

Alteração de nome deferida

#25.4

Alterado de: Rhone-Poulenc Chimie

04/11/2006

RPI 1840

Concessão da patente

#16.1

02/22/2000

RPI 1520

Deferimento

#9.1

08/17/1999

RPI 1493

Exigência - art. 36 da LPI

#6.1

11/03/1998

RPI 1452

Solicitação de exame técnico

#4.1

05/24/1994

RPI 1225

Publicação do pedido de patente

#3.1

05/26/1992

RPI 1121

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