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Official data from INPI

PROCESSO DE PREPARAÇÃO DE POLÍMERO À BASE DE ISOCIANATO RÍGIDO DE CÉLULA FECHADA, ESPUMA À BASE DE POLIISOCIANATO E COMPOSIÇÃO DE POLIOL

Arquivada/ExtintaInvention Patent

Application data

Number

PI8906397

Type

Invention Patent

Filing

12/07/1989

Publication

08/28/1990

Progress at the INPI

  1. Filing12/07/89
  2. Publication08/28/90
  3. Abandoned09/08/92
  4. Allowance
  5. Grant
  6. In force

The application was abandoned for failure to pay the annuities (art. 86 of the Brazilian IP Act). The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 03/21/2000. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Dow Chemical Company

US

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Inventors

G. S. (pessoa física)

BE

H. G. (pessoa física)

J. T. (pessoa física)

Technical data

IPC Classification

Priority claims

US

280,860 · 12/07/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento por falta de pagamento

#8.6

Referente a 8ª, 9ª e 10ª anuidade

03/21/2000

RPI 1524

8.1

Referente, 8ª e 9ª anuidade

12/22/1998

RPI 1459

Exigência - art. 36 da LPI

#6.1

01/16/1996

RPI 1311

Exigência - art. 36 da LPI

#6.1

06/06/1995

RPI 1279

Solicitação de exame técnico

#4.1

09/08/1992

RPI 1136

Publicação do pedido de patente

#3.1

08/28/1990

RPI 1030

Pedido de patente depositado

#2.1

03/27/1990

RPI 1011

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