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Official data from INPI

COMPOSICOES ESTABILIZADAS AO CALOR A BASE DE POLIMEROS DE CLORETO DE VINILA

Em AnáliseInvention Patent

Application data

Number

PI7904093

Type

Invention Patent

Filing

06/29/1978

Publication

-

Progress at the INPI

  1. Filing06/29/78
  2. Publication
  3. Examination04/13/82
  4. Allowance11/03/87
  5. Grant06/14/88
  6. Terminated10/03/89

The patent was granted on 06/14/1988 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 10/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SOLVAY

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Inventors

S. A. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

10/03/1989

RPI 989

Concessão da patente

#16.1

06/14/1988

RPI 921

Notificação para pagamento de retribuição

#13.1

03/01/1988

RPI 906

Deferimento

#9.1

11/03/1987

RPI 889

Exigência - art. 36 da LPI

#6.1

05/05/1987

RPI 863

Solicitação de exame técnico

#4.1

04/13/1982

RPI 599

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