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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE 2,2,6,6-TETRAMETIL-4-PIPERIDILAMINAS

PublicadaInvention Patent

Application data

Number

PI8803759

Type

Invention Patent

Filing

07/28/1988

Publication

03/07/1989

Progress at the INPI

  1. Filing07/28/88
  2. Publication03/07/89
  3. Examination04/09/91
  4. Allowance12/12/95
  5. Grant09/24/96
  6. Expired09/02/08

The letters patent expired on 09/02/2008: 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: 03/07/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ciba-Geigy AG

CH

Ciba SC Holding AG

CH

Ciba Specialty Chemicals Holding INC. - Ciba Spezialitätenchemie Holding AG - Ciba Spécialités Chimiques Holding SA

CH

See this company's full portfolio

Inventors

D. C. (pessoa física)

IT

G. R. (pessoa física)

IT

G. V. (pessoa física)

IT

Technical data

IPC Classification

Priority claims

IT

21512 A/87 · 07/30/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

03/07/1989

RPI 959

Pedido de patente depositado

#2.1

01/03/1989

RPI 950

Carta-patente expirada

#21.1

Patente extinta em 28/07/2003

09/02/2008

RPI 1965

Alteração de nome deferida

#25.4

Alterado de: Ciba SC Holding AG

02/23/1999

RPI 1468

Republicação - titular

#25.11

Transferido de: Ciba-Geigy AG@Referência RPI 1453; código (25.1); item (73).

01/05/1999

RPI 1461

Transferência deferida

#25.1

transferido de: Ciba-Geigy Ag.

11/10/1998

RPI 1453

Concessão da patente

#16.1

09/24/1996

RPI 1347

Deferimento

#9.1

12/12/1995

RPI 1306

Exigência - art. 36 da LPI

#6.1

02/21/1995

RPI 1264

Solicitação de exame técnico

#4.1

04/09/1991

RPI 1062

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