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Official data from INPI

BRANQUEAMENTO EM BAIXA TEMPERATURA

ConcedidaInvention Patent

Application data

Number

PI8009041

Type

Invention Patent

Filing

11/21/1980

Publication

12/22/1981

Progress at the INPI

  1. Filing11/21/80
  2. Publication12/22/81
  3. Examination04/27/82
  4. Allowance08/07/84
  5. Grant03/26/85
  6. Terminated08/09/94

The patent was granted on 03/26/1985 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: 03/26/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

GLYCO CHEMICALS INC

Inventors

D. T. (pessoa física)

G. T. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/26/1985

RPI 753

Notificação para pagamento de retribuição

#13.1

12/11/1984

RPI 738

Deferimento

#9.1

08/07/1984

RPI 720

Exigência - art. 36 da LPI

#6.1

12/27/1983

RPI 688

Solicitação de exame técnico

#4.1

04/27/1982

RPI 601

Notificação de entrada na fase nacional - PCT

#1.3

12/22/1981

RPI 583

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era D06L 3/06.

03/27/2018

RPI 2464

Anuidade - prazo legal encerrado

#18.2

08/09/1994

RPI 1236

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