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Official data from INPI

UMA COMPOSICAO DE ALQUILENODIAMINA OU DE POLIALQUILENOPOLIAMINA MODIFICADAS E PASTAS AQUOSA DE CIMENTO HIDRAULICO EMPREGADO A COMPOSICAO

Em AnáliseInvention Patent

Application data

Number

PI8407149

Type

Invention Patent

Filing

11/03/1983

Publication

10/08/1985

Progress at the INPI

  1. Filing11/03/83
  2. Publication10/08/85
  3. Abandoned10/06/87
  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: 11/24/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DOW CHEMICAL CO [US]

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Inventors

B. [. (pessoa física)

W. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

10.1

11/24/1987

RPI 892

Solicitação de exame técnico

#4.1

10/06/1987

RPI 885

Notificação de entrada na fase nacional - PCT

#1.3

10/08/1985

RPI 781

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