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Official data from INPI

COMPOSIÇÃO DE RESINA, MÉTODO PARA ESTABILIZAR UMA COMPOSIÇÃO DE RESINA E MÉTODO PARA MELHORAR A REDUÇÃO DE EMISSÕES DE ESTIRENO

ArquivadaInvention Patent

Application data

Number

PI8905926

Type

Invention Patent

Filing

11/09/1989

Publication

06/19/1990

Progress at the INPI

  1. Filing11/09/89
  2. Publication06/19/90
  3. Examination08/18/92
  4. Allowance03/09/99
  5. Abandoned
  6. In force

The application was allowed on 03/09/1999 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

Talk to a specialist

Latest action published by the INPI: 04/04/2000. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Dow Chemical Company

US

See this company's full portfolio

Inventors

R. L. (pessoa física)

Technical data

IPC Classification

Priority claims

GB

8826309.0 · 11/10/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 38 §2° da LPI

#11.4

Arquivamento - Artigo 38 § 2º da LPI.

04/04/2000

RPI 1526

Deferimento

#9.1

03/09/1999

RPI 1470

Exigência - art. 36 da LPI

#6.1

05/13/1997

RPI 1380

Exigência - art. 36 da LPI

#6.1

10/08/1996

RPI 1349

Solicitação de exame técnico

#4.1

08/18/1992

RPI 1133

Publicação do pedido de patente

#3.1

06/19/1990

RPI 1023

Pedido de patente depositado

#2.1

03/06/1990

RPI 1008

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