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Official data from INPI

PROCESSO PARA A PREPARACAO DE POLIETER-ESTER-AMIDAS,POLIETER-ESTER-A MIDAS ASSIM OBTIDAS,E SUAS APLICACOES

Em AnáliseInvention Patent

Application data

Number

PI7805715

Type

Invention Patent

Filing

09/02/1977

Publication

-

Progress at the INPI

  1. Filing09/02/77
  2. Publication
  3. Examination
  4. Allowance10/11/83
  5. Grant04/24/84
  6. Terminated06/14/88

The patent was granted on 04/24/1984 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: 06/14/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. C. (pessoa física)

Inventors

D. G. (pessoa física)

F. J. (pessoa física)

G. M. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/14/1988

RPI 921

Concessão da patente

#16.1

04/24/1984

RPI 705

Notificação para pagamento de retribuição

#13.1

01/24/1984

RPI 692

Deferimento

#9.1

10/11/1983

RPI 677

Exigência - art. 36 da LPI

#6.1

02/08/1983

RPI 642

6.2

10/20/1981

RPI 574

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