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Official data from INPI

Processo de preparação de homo e copolímeros do cloreto de vinila se apresentendo sob forma de pó aptos a dar plastisóis de propriedades realógicas melhoradas.

Em AnáliseInvention Patent

Application data

Number

PI8007157

Type

Invention Patent

Filing

11/05/1980

Publication

-

Progress at the INPI

  1. Filing11/05/80
  2. Publication
  3. Examination06/14/83
  4. Allowance07/30/85
  5. Grant02/04/86
  6. Terminated07/12/88

The patent was granted on 02/04/1986 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: 07/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Rhone-Poulenc Industries

FR

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Inventors

A. C. (pessoa física)

P. J. (pessoa física)

R. R. (pessoa física)

Technical data

IPC Classification

Priority claims

FR

79 27282 · 11/06/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

07/12/1988

RPI 925

Concessão da patente

#16.1

02/04/1986

RPI 798

Notificação para pagamento de retribuição

#13.1

11/26/1985

RPI 788

Deferimento

#9.1

07/30/1985

RPI 771

8.1

11/20/1984

RPI 735

14.1

04/10/1984

RPI 703

Exigência - art. 36 da LPI

#6.1

01/17/1984

RPI 691

Solicitação de exame técnico

#4.1

06/14/1983

RPI 660

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