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Official data from INPI

PROCESSO PARA PRODUÇÃO DE RESINAS TERMOPLÁSTICA DE ESTIRENO

PublicadaInvention Patent

Application data

Number

PI8801582

Type

Invention Patent

Filing

04/04/1988

Publication

11/08/1988

Progress at the INPI

  1. Filing04/04/88
  2. Publication11/08/88
  3. Abandoned11/13/90
  4. Allowance
  5. Grant
  6. In force

The application was abandoned at the INPI. The case ended without a patent and the technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 11/08/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Montedipe S.p.A.

IT

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Inventors

A. R. (pessoa física)

IT

G. C. (pessoa física)

IT

I. B. (pessoa física)

IT

M. C. (pessoa física)

IT

S. M. (pessoa física)

IT

Technical data

IPC Classification

Priority claims

IT

41004 A/87 · 04/17/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

11/08/1988

RPI 942

Pedido de patente depositado

#2.1

08/02/1988

RPI 928

11.31

11/11/1997

RPI 1406

Exigência - art. 36 da LPI

#6.1

04/30/1996

RPI 1326

Pedido de certificado de adição de invenção

#5.1

02/13/1991

RPI 1054

Solicitação de exame técnico

#4.1

11/13/1990

RPI 1041

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