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Official data from INPI

PROCESSO PARA PRODUÇÃO CONTÍNUA EM MASSA DE (CO)POLÍMEROS VINILAROMÁTICOS

Arquivada/ExtintaInvention Patent

Application data

Number

PI9002429

Type

Invention Patent

Filing

05/23/1990

Publication

08/06/1991

Progress at the INPI

  1. Filing05/23/90
  2. Publication08/06/91
  3. Examination09/21/93
  4. Allowance11/24/98
  5. Grant04/27/99
  6. Expired01/15/13

The letters patent expired on 01/15/2013: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 01/15/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Montedipe S.r.l

IT

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Inventors

C. B. (pessoa física)

IT

F. B. (pessoa física)

IT

I. B. (pessoa física)

IT

S. M. (pessoa física)

IT

Technical data

Priority claims

IT

20623 A/89 · 05/24/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 23/05/2010

01/15/2013

RPI 2193

Concessão da patente

#16.1

04/27/1999

RPI 1477

Deferimento

#9.1

11/24/1998

RPI 1455

Exigência - art. 36 da LPI

#6.1

11/12/1996

RPI 1354

Solicitação de exame técnico

#4.1

09/21/1993

RPI 1190

Publicação do pedido de patente

#3.1

08/06/1991

RPI 1079

Pedido de patente depositado

#2.1

10/02/1990

RPI 1035

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