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Official data from INPI

GRANULOS INTERFACIAIS PARA RESINAS DE TROCA IONICA DE LEITO MISTO

Em AnáliseInvention Patent

Application data

Number

PI8500167

Type

Invention Patent

Filing

01/13/1984

Publication

08/20/1985

Progress at the INPI

  1. Filing01/13/84
  2. Publication08/20/85
  3. Abandoned07/21/87
  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: 05/16/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DOW CHEMICAL CO [US]

See this company's full portfolio

Inventors

C. Y. (pessoa física)

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

10.1

05/16/1989

RPI 969

Solicitação de exame técnico

#4.1

07/21/1987

RPI 874

Publicação do pedido de patente

#3.1

08/20/1985

RPI 774

Pedido de patente depositado

#2.1

04/16/1985

RPI 756

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