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Official data from INPI

COMPOSIÇÃO POLIMÉRICA.

PublicadaInvention Patent

Application data

Number

PI8701582

Type

Invention Patent

Filing

04/06/1987

Publication

01/26/1988

Progress at the INPI

  1. Filing04/06/87
  2. Publication01/26/88
  3. Examination09/25/90
  4. Allowance04/20/93
  5. Abandoned
  6. In force

The application was allowed on 04/20/1993 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: 01/26/1988. 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

01/26/1988

RPI 901

Pedido de patente depositado

#2.1

07/14/1987

RPI 873

Arquivamento - Art. 38 §2° da LPI

#11.4

03/29/1994

RPI 1217

Notificação para pagamento de retribuição

#13.1

08/17/1993

RPI 1185

Deferimento

#9.1

04/20/1993

RPI 1168

Exigência - art. 36 da LPI

#6.1

11/05/1991

RPI 1092

Solicitação de exame técnico

#4.1

09/25/1990

RPI 1034

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