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Official data from INPI

PROCESSO PARA A PREPARACAO DE RESINAS DE TROCA IONICA USANDO-SE A TECNOLOGIA DE POLIMERIZACAO DE SEMEADURA

Em AnáliseInvention Patent

Application data

Number

PI8506719

Type

Invention Patent

Filing

04/23/1984

Publication

09/23/1986

Progress at the INPI

  1. Filing04/23/84
  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: 11/08/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DOW CHEMICAL CO [US]

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Inventors

D. [. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

10.1

11/08/1988

RPI 942

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

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