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Official data from INPI

POLICARBONATO OU POLIESTERCARBONATO CONTENDO CLAREADORES ÓPTICOS

ArquivadaInvention PatentPCT · EP2003010325

Application data

Number

PI0314929

Type

Invention Patent

Filing

09/17/2003

Publication

08/02/2005

PCT

EP2003010325

Progress at the INPI

  1. Filing09/17/03
  2. Publication08/02/05
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 09/17/2003 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: 12/11/2007. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Bayer Materialscience AG

DE

See this company's full portfolio

Inventors

M. R. (pessoa física)

DE

R. G. (pessoa física)

US

S. A. (pessoa física)

DE

W. N. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

102 45 705.0 · 09/30/2002

Abstract

"POLICARBONATO OU POLIESTERCARBONATO CONTENDO CLAREADORES ÓPTICOS". A presente invenção refere-se a composições contendo um polímero escolhido a partir dos grupos consistindo em policarbonato e poliestercarbonato e contendo um composto que age como clareador óptico.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento definitivo - Art. 33 da LPI

#11.1.1

12/11/2007

RPI 1927

Arquivamento - Art. 33 da LPI

#11.1

07/17/2007

RPI 1906

Notificação de entrada na fase nacional - PCT

#1.3

08/02/2005

RPI 1804

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