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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE ÉSTERES E AMIDAS ORGÂNICOS

Arquivada/ExtintaInvention Patent

Application data

Number

PI9103343

Type

Invention Patent

Filing

08/02/1991

Publication

05/05/1992

Progress at the INPI

  1. Filing08/02/91
  2. Publication05/05/92
  3. Examination07/06/93
  4. Allowance11/10/98
  5. Grant06/15/99
  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 Holding Inc. - Ciba Spezialitatenchemie Holding AG - Ciba Specialités Chimiques Holding SA

CH

H. I. (pessoa física)

US

Montell North América Inc.

US

See this company's full portfolio

Inventors

G. C. (pessoa física)

US

K. R. (pessoa física)

US

V. D. (pessoa física)

US

Technical data

Priority claims

US

562.515 · 08/03/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 02/08/2011

06/04/2013

RPI 2213

Concessão da patente

#16.1

06/15/1999

RPI 1484

Transferência deferida

#25.1

Transferido de: Montell North America INC.

01/05/1999

RPI 1461

Deferimento

#9.1

11/10/1998

RPI 1453

Alteração de nome deferida

#25.4

09/16/1997

RPI 1398

Solicitação de exame técnico

#4.1

07/06/1993

RPI 1179

Publicação do pedido de patente

#3.1

05/05/1992

RPI 1118

Pedido de patente depositado

#2.1

02/18/1992

RPI 1107

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