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Official data from INPI

PROCESSO PARA OPREPARAR UM AEROGEL BASEADO EM POLIISOCIANATO, DITO AEROGEL, E, USO DO MESMO

ArquivadaInvention PatentPCT · EP1998001151

Application data

Number

PI9808111

Type

Invention Patent

Filing

03/02/1998

Publication

03/08/2000

PCT

EP1998001151

Progress at the INPI

  1. Filing03/02/98
  2. Publication03/08/00
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 03/02/1998 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: 07/13/2004. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Huntsman ICI Chemicals LLC.

US

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Inventors

G. B. (pessoa física)

BE

Technical data

IPC Classification

Priority claims

EP

97105359.0 · 04/01/1997

Abstract

"PROCESSO PARA PREPARAR UM AEROGEL BASEADO EM POLIISOCIANATO, DITO AEROGEL, E, USO DO MESMO." Processo para produzir aerogéis baseados em poliisocianato, por trimerização de um poliisocianato orgânico em um solvente orgânico, na presença de um (co)polímero contendo um grupo reativo com isocianato, congelamento e secagem supercrítica do gel-sol obtido.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento definitivo - Art. 33 da LPI

#11.1.1

07/13/2004

RPI 1749

Arquivamento - Art. 33 da LPI

#11.1

11/25/2003

RPI 1716

Notificação de entrada na fase nacional - PCT

#1.3

03/08/2000

RPI 1522

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