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Official data from INPI

MASSA DE MOLDACAO DE CLORETO DE VINILA DE SUSPENSAO,DE PARTICULAS FINAS,SINTERIZAVEL,PROCESSO PARA SUA PREPARACAO,E SUA APLICACAO

ConcedidaInvention Patent

Application data

Number

PI7706893

Type

Invention Patent

Filing

10/15/1976

Publication

-

Progress at the INPI

  1. Filing10/15/76
  2. Publication
  3. Examination
  4. Allowance08/30/83
  5. Grant03/27/84
  6. Terminated10/23/90

The patent was granted on 03/27/1984 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: 03/27/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

HOECHST AG

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Inventors

H. H. (pessoa física)

K. H. (pessoa física)

M. H. (pessoa física)

R. K. (pessoa física)

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/27/1984

RPI 701

Notificação para pagamento de retribuição

#13.1

12/20/1983

RPI 687

Deferimento

#9.1

08/30/1983

RPI 671

Exigência - art. 36 da LPI

#6.1

12/28/1982

RPI 636

Exigência - art. 36 da LPI

#6.1

03/02/1982

RPI 593

Anuidade - prazo legal encerrado

#18.2

10/23/1990

RPI 1038

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