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Official data from INPI

REMOCAO DE IONS SULFATO DE SALMOURA

Em AnáliseInvention Patent

Application data

Number

PI8304133

Type

Invention Patent

Filing

07/29/1983

Publication

03/05/1985

Progress at the INPI

  1. Filing07/29/83
  2. Publication03/05/85
  3. Abandoned
  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: 07/15/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DOW CHEMICAL CO [US]

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Inventors

B. C. (pessoa física)

L. M. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

10.1

07/15/1986

RPI 821

Publicação do pedido de patente

#3.1

03/05/1985

RPI 750

Pedido de patente depositado

#2.1

10/11/1983

RPI 677

Republicação - classificação IPC

#15.11

As classificações anteriores eram: C01D 5/00; B01J 39/18; C01G 25/00

07/25/2017

RPI 2429

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