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Official data from INPI

PROCESSO PARA ESTABILIZAR E PURIFICAR TERMICAMENTE ESTEROIS

Em AnáliseInvention Patent

Application data

Number

PI7802376

Type

Invention Patent

Filing

06/24/1977

Publication

-

Progress at the INPI

  1. Filing06/24/77
  2. Publication
  3. Examination
  4. Allowance04/19/83
  5. Grant10/25/83
  6. Terminated10/03/89

The patent was granted on 10/25/1983 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: 10/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

GEN MILLS CHEM INC

Inventors

D. J. (pessoa física)

J. R. (pessoa física)

Technical data

IPC Classification

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

10/25/1983

RPI 679

Notificação para pagamento de retribuição

#13.1

09/06/1983

RPI 672

Deferimento

#9.1

04/19/1983

RPI 652

Republicação - classificação IPC

#15.11

11/30/1982

RPI 632

Exigência - art. 36 da LPI

#6.1

07/27/1982

RPI 614

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