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Official data from INPI

PROCESSO PARA PREPARACAO E RECUPERACAO DE COMPOSTOS

Em AnáliseInvention Patent
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Application data

Number

PI7708771

Type

Invention Patent

Filing

12/29/1976

Publication

-
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Progress at the INPI

  1. Filing12/29/76
  2. Publication
  3. Examination
  4. Allowance05/18/82
  5. Grant11/30/82
  6. Terminated12/15/87

The patent was granted on 11/30/1982 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: 12/15/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

MONSANTO CO

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Inventors

B. D. (pessoa física)

D. E. (pessoa física)

Technical data

IPC Classification

C07C 239/00C07C 239/20C07C 253/00C07C 255/29C07C 255/30C07C 255/60C07C 259/00C07C 259/06C07C 301/00C07C 313/00C07C 313/04C07C 313/12C07C 323/00C07C 323/10C07C 323/41C07C 325/00C07C 327/00C07C 327/40C07C 85/26G02B 27/02

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

12/15/1987

RPI 895

Concessão da patente

#16.1

11/30/1982

RPI 632

Notificação para pagamento de retribuição

#13.1

09/14/1982

RPI 621

Deferimento

#9.1

05/18/1982

RPI 604

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