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Official data from INPI

Granulados e/ou pastilhas; processo para obtenção de granulados e pastilhas, e, artigos conformados obtidos por injeção, extrusão ou prensagem de composição à base de poliamida.

ConcedidaInvention Patent

Application data

Number

PI7906353

Type

Invention Patent

Filing

10/03/1979

Publication

-

Progress at the INPI

  1. Filing10/03/79
  2. Publication
  3. Examination06/15/82
  4. Allowance08/13/85
  5. Grant03/25/86
  6. Expired04/25/95

The letters patent expired on 04/25/1995: 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: 03/25/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Rhone-Poulenc Industries

FR

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Inventors

G. J. (pessoa física)

Technical data

IPC Classification

Priority claims

FR

78 28946 · 10/05/1978

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/25/1986

RPI 805

Notificação para pagamento de retribuição

#13.1

12/17/1985

RPI 791

Deferimento

#9.1

08/13/1985

RPI 773

Exigência - art. 36 da LPI

#6.1

11/20/1984

RPI 735

Exigência - art. 36 da LPI

#6.1

02/28/1984

RPI 697

Solicitação de exame técnico

#4.1

06/15/1982

RPI 608

Carta-patente expirada

#21.1

04/25/1995

RPI 1273

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