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Official data from INPI

DISPOSITIVO ELETROLUMINESCENTE E MÉTODO PARA EMITIR LUZ BRANCA A PARTIR DE UM DISPOSITIVO ELETROLUMINESCENTE

ArquivadaInvention PatentPCT · GB1999004028

Application data

Number

PI9916921

Type

Invention Patent

Filing

12/01/1999

Publication

11/06/2001

PCT

GB1999004028

Progress at the INPI

  1. Filing12/01/99
  2. Publication11/06/01
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 12/01/1999 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 08/31/2004. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

South Bank University Enterprises LTD.

GB

Inventors

P. K. (pessoa física)

GB

Technical data

Priority claims

GB

9826407.0 · 12/02/1998

Abstract

"DISPOSITIVO ELETROLUMINESCENTE E MÉTODO PARA EMITIR LUZ BRANCA A PARTIR DE UM DISPOSITIVO ELETROLUMINESCENTE". Que compreende o emprego de Tb(TMHD)~ 3~0PNP onde TMHD é 2,2,6,6-tetrametil-3,5-hetanedionato e OPNP é difenilfosfonimida trifenil fosforane é um material eletroluminescente que emite luz branca a uma tensão aplicada acima de 12 volts.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento definitivo - Art. 33 da LPI

#11.1.1

08/31/2004

RPI 1756

Arquivamento - Art. 33 da LPI

#11.1

05/11/2004

RPI 1740

Notificação de entrada na fase nacional - PCT

#1.3

11/06/2001

RPI 1609

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