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Official data from INPI

PROCESSO PARA PREPARACAO DE HFP PARTINO DE UMA CARGA DE TFE DIMERO DE TFE OU UMA MISTURA DOS DOIS

Em AnáliseInvention Patent

Application data

Number

PI8205457

Type

Invention Patent

Filing

09/21/1981

Publication

08/23/1983

Progress at the INPI

  1. Filing09/21/81
  2. Publication08/23/83
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The applicant withdrew the application. The case ended without a patent.

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Latest action published by the INPI: 10/23/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DU PONT [US]

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Inventors

W. L. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

10.1

10/23/1984

RPI 731

3.3

10/23/1984

RPI 731

3.3

07/24/1984

RPI 718

Publicação do pedido de patente

#3.1

08/23/1983

RPI 670

Pedido de patente depositado

#2.1

11/09/1982

RPI 629

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