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Official data from INPI

PROCESSO PARA REMOVER IMPUREZAS SOLUVEIS EM SOLVENTES

Em AnáliseInvention Patent
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Application data

Number

PI8601149

Type

Invention Patent

Filing

03/15/1985

Publication

11/25/1986
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Progress at the INPI

  1. Filing03/15/85
  2. Publication11/25/86
  3. Abandoned12/27/88
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

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Latest action published by the INPI: 12/27/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DOW CHEMICAL CO [US]

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Inventors

S. J. (pessoa física)

Technical data

IPC Classification

C08B 11/20

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

12/27/1988

RPI 949

Publicação do pedido de patente

#3.1

11/25/1986

RPI 840

Pedido de patente depositado

#2.1

08/26/1986

RPI 827

Arquivamento - Art. 36 §1° da LPI

#11.2

07/31/1990

RPI 1026

6.2

01/02/1990

RPI 1000

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