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Official data from INPI

AEROGEL ORGÂNICO, E, PROCESSO PARA A PREPARAÇÃO DO MESMO

ArquivadaInvention PatentPCT · EP1994002112

Application data

Number

PI9407084

Type

Invention Patent

Filing

06/29/1994

Publication

08/13/1996

PCT

EP1994002112

Progress at the INPI

  1. Filing06/29/94
  2. Publication08/13/96
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 03/05/2002. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Huntsman Ici Chemicals LLC

US

Imperial Chemical Industries Plc.

GB

See this company's full portfolio

Inventors

G. B. (pessoa física)

BE

R. V. (pessoa física)

BE

Technical data

IPC Classification

Priority claims

GB

9315198.3 · 07/22/1993

GB

9319451.2 · 09/21/1993

Abstract

Patente de Invenção "AEROGEL ORGÂNICO, E, PROCESSO PARA A PREPARAÇÃO DO MESMO". São proporcionados aerogéis orgânicos baseados em poliisocianato possuindo tamanhos de poro menores do que 100nm, densidades dentro da faixa de 10 a 800 kg/m^ 3^ e áreas superficiais dentro da faixa de 10 a 1500 m^ 2^/g.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

03/05/2002

RPI 1626

Exigência - art. 36 da LPI

#6.1

06/05/2001

RPI 1587

Transferência deferida

#25.1

Transferido de: Imperial Chemical Industries PLC

03/06/2001

RPI 1574

Notificação de entrada na fase nacional - PCT

#1.3

08/13/1996

RPI 1341

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