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Official data from INPI

MISTURA ESTABILIZADORA PARA POLÍMEROS ORGÂNICOS E MISTURA POLIMÉRICA ESTABILIZADA RESULTANTE

PublicadaInvention Patent

Application data

Number

PI8900908

Type

Invention Patent

Filing

02/23/1989

Publication

10/24/1989

Progress at the INPI

  1. Filing02/23/89
  2. Publication10/24/89
  3. Examination09/11/90
  4. Allowance03/26/96
  5. Grant08/26/97
  6. Expired05/21/13

The letters patent expired on 05/21/2013: 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: 10/24/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Enichem Synthesis S.p.A

IT

See this company's full portfolio

Inventors

C. N. (pessoa física)

IT

G. S. (pessoa física)

IT

R. P. (pessoa física)

IT

Technical data

IPC Classification

Priority claims

IT

19 508 A/88 · 02/24/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

10/24/1989

RPI 992

Pedido de patente depositado

#2.1

04/11/1989

RPI 964

Carta-patente expirada

#21.1

Patente extinta em 23/02/2009

05/21/2013

RPI 2211

Concessão da patente

#16.1

08/26/1997

RPI 1395

Notificação para pagamento de retribuição

#13.1

02/04/1997

RPI 1366

Deferimento

#9.1

03/26/1996

RPI 1321

Exigência - art. 36 da LPI

#6.1

02/21/1995

RPI 1264

Exigência - art. 36 da LPI

#6.1

07/19/1994

RPI 1233

Solicitação de exame técnico

#4.1

09/11/1990

RPI 1032

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