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Official data from INPI

MASSA DE MOLDAGEM

ArquivadaInvention Patent

Application data

Number

PI9701811

Type

Invention Patent

Filing

04/15/1997

Publication

09/29/1998

Progress at the INPI

  1. Filing04/15/97
  2. Publication09/29/98
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 04/15/1997 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 09/08/2004. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. A. (pessoa física)

DE

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Inventors

D. A. (pessoa física)

DE

H. P. (pessoa física)

DE

R. S. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

196 14 871.5 · 04/16/1996

Abstract

Patente de Invenção: "MASSA DE MOLDAGEM" . Misturas de material plástico constituídas de poliéster e policarbonato apresentam uma resistência insuficiente contra o vapor d'água, calor e agentes químicos. Com o auxílio desta invenção, que descreve isocianatos e derivados de bis(oxazolina) como aditivos, pode-se superar as desvantagens referidas.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento definitivo - Art. 33 da LPI

#11.1.1

09/08/2004

RPI 1757

Arquivamento - Art. 33 da LPI

#11.1

06/01/2004

RPI 1743

Publicação do pedido de patente

#3.1

09/29/1998

RPI 1449

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