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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE UMA ESPUMA POLIMÉRICA OLEFÍNICA DE CÉLULA SUBSTANCIALMENTE FECHADA DOTADA DE ESTABILIDADE DIMENCIONAL.

PublicadaInvention Patent

Application data

Number

PI8604857

Type

Invention Patent

Filing

10/06/1986

Publication

07/07/1987

Progress at the INPI

  1. Filing10/06/86
  2. Publication07/07/87
  3. Examination03/27/90
  4. Allowance12/01/92
  5. Abandoned
  6. In force

The application was allowed on 12/01/1992 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: 07/07/1987. 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

P. P. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

07/07/1987

RPI 872

Pedido de patente depositado

#2.1

04/07/1987

RPI 859

Arquivamento - Art. 38 §2° da LPI

#11.4

09/08/1993

RPI 1188

Notificação para pagamento de retribuição

#13.1

04/20/1993

RPI 1168

Deferimento

#9.1

12/01/1992

RPI 1148

Exigência - art. 36 da LPI

#6.1

09/17/1991

RPI 1085

Solicitação de exame técnico

#4.1

03/27/1990

RPI 1011

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