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Official data from INPI

PROCEESSO PARA PREPARAÇÃO DE N,N-DIALQUILHIDROXILAMINAS SUBSTITUÍDAS COM RESÍDUOS DE ÁCIDOS TIOALCANÓICOS E COMPOSIÇÃO LUBRIFICANTE ESTABILIZADA

Arquivada/ExtintaInvention Patent

Application data

Number

PI9100315

Type

Invention Patent

Filing

01/24/1991

Publication

10/22/1991

Progress at the INPI

  1. Filing01/24/91
  2. Publication10/22/91
  3. Examination11/09/93
  4. Allowance08/03/99
  5. Grant04/18/00
  6. Expired05/28/13

The letters patent expired on 05/28/2013: 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: 05/28/2013. 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)

US

D. S. (pessoa física)

US

D. E. (pessoa física)

CH

Technical data

IPC Classification

Priority claims

US

471.167 · 01/26/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 24/01/2011

05/28/2013

RPI 2212

Concessão da patente

#16.1

04/18/2000

RPI 1528

Deferimento

#9.1

08/03/1999

RPI 1491

Alteração de nome deferida

#25.4

Alterado de: Ciba SC Holding AG

02/02/1999

RPI 1465

Transferência deferida

#25.1

Transferido de: Ciba-Geigy AG

12/29/1998

RPI 1460

Exigência - art. 36 da LPI

#6.1

07/07/1998

RPI 1437

Solicitação de exame técnico

#4.1

11/09/1993

RPI 1197

Publicação do pedido de patente

#3.1

10/22/1991

RPI 1090

Pedido de patente depositado

#2.1

08/06/1991

RPI 1079

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