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Official data from INPI

PROCESSO DE PREPARAÇÃO DE COPOLÍMEROS DE ISOBUTILENO INTERLIGÁVEIS E DOS COMPOSTOS INTERMEDIÁRIOS.

ConcedidaInvention Patent

Application data

Number

PI8207298

Type

Invention Patent

Filing

12/10/1919

Publication

10/18/1983

Progress at the INPI

  1. Filing12/10/19
  2. Publication10/18/83
  3. Examination04/03/84
  4. Allowance10/27/87
  5. Grant06/28/88
  6. Terminated07/18/95

The patent was granted on 06/28/1988 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 06/28/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Anic S.p.A.

IT

D. C. (pessoa física)

US

Inventors

B. G. (pessoa física)

G. A. (pessoa física)

Z. O. (pessoa física)

Technical data

Priority claims

IT

23702A/82 · 10/11/1982

IT

25517A/81 · 12/11/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/28/1988

RPI 923

Notificação para pagamento de retribuição

#13.1

03/01/1988

RPI 906

Deferimento

#9.1

10/27/1987

RPI 888

Exigência - art. 36 da LPI

#6.1

01/07/1986

RPI 794

Solicitação de exame técnico

#4.1

04/03/1984

RPI 702

Publicação do pedido de patente

#3.1

10/18/1983

RPI 678

Pedido de patente depositado

#2.1

02/01/1983

RPI 641

Anuidade - prazo legal encerrado

#18.2

07/18/1995

RPI 1285

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