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Official data from INPI

Copoliésteres termotrópicos conformáveis de elevado peso molecular.

ConcedidaInvention Patent

Application data

Number

PI7906354

Type

Invention Patent

Filing

10/03/1979

Publication

-

Progress at the INPI

  1. Filing10/03/79
  2. Publication
  3. Examination06/29/82
  4. Allowance09/30/86
  5. Grant06/30/87
  6. Terminated04/12/94

The patent was granted on 06/30/1987 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: 06/30/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Rhone-Poulenc Industries

FR

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Inventors

F. B. (pessoa física)

Technical data

IPC Classification

Priority claims

FR

78 28947 · 10/05/1978

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/30/1987

RPI 871

Deferimento

#9.1

09/30/1986

RPI 832

8.1

07/22/1986

RPI 822

Conhecimento de parecer técnico

#7.1

06/25/1985

RPI 766

Exigência - art. 36 da LPI

#6.1

01/10/1984

RPI 690

Exigência - art. 36 da LPI

#6.1

03/01/1983

RPI 645

Solicitação de exame técnico

#4.1

06/29/1982

RPI 610

Anuidade - prazo legal encerrado

#18.2

04/12/1994

RPI 1219

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