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Official data from INPI

PRE-POLIMEROS TERMOFIXOS PREPARADOS A PARTIR DE DIALDEIDOS AROMATICOS,PIRIDINAS OU PIRAZINAS METILADAS,E FENOIS ISOPROPENILICOS E PRODUTOS COMPOSTOS PREPARADOS A PARTIR DOS MESMOS

Em AnáliseInvention Patent

Application data

Number

PI8506739

Type

Invention Patent

Filing

05/09/1985

Publication

09/23/1986

Progress at the INPI

  1. Filing05/09/85
  2. Publication09/23/86
  3. Abandoned12/22/87
  4. Allowance
  5. Grant
  6. In force

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

Talk to a specialist

Latest action published by the INPI: 12/22/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DOW CHEMICAL CO [US]

See this company's full portfolio

Inventors

L. [. (pessoa física)

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

12/22/1987

RPI 896

Notificação de entrada na fase nacional - PCT

#1.3

09/23/1986

RPI 831

10.1

05/01/1990

RPI 1016

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