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Official data from INPI

PROCESSO PARA A PRODUÇÃO DE COMPOSTOS DE 1-OXA-3,8-DIAZA-4-OXO-SPIRO [4,5] DECANO

Arquivada/ExtintaInvention Patent

Application data

Number

PI9103308

Type

Invention Patent

Filing

08/01/1991

Publication

05/26/1992

Progress at the INPI

  1. Filing08/01/91
  2. Publication05/26/92
  3. Examination07/05/94
  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

Clariant GMBH

DE

Clariant Produkte (Deutschland) GmbH

DE

H. A. (pessoa física)

DE

See this company's full portfolio

Inventors

D. S. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 40 24 415.6 · 08/01/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 01/08/2011

06/04/2013

RPI 2213

Alteração de nome deferida

#25.4

Alterado de: Clariant GmbH

06/19/2007

RPI 1902

Transferência deferida

#25.1

Transferido de: Hoechst Aktiengesellschaft

07/31/2001

RPI 1595

Concessão da patente

#16.1

06/15/1999

RPI 1484

Deferimento

#9.1

11/10/1998

RPI 1453

Solicitação de exame técnico

#4.1

07/05/1994

RPI 1231

Publicação do pedido de patente

#3.1

05/26/1992

RPI 1121

Pedido de patente depositado

#2.1

04/21/1992

RPI 1116

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