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Official data from INPI

UM PROCESSO PARA A ABSORCAO DE AGUA TENDO UM PH MENOR QUE QUATRO

Em AnáliseInvention Patent

Application data

Number

PI8507201

Type

Invention Patent

Filing

04/15/1985

Publication

08/04/1987

Progress at the INPI

  1. Filing04/15/85
  2. Publication08/04/87
  3. Abandoned09/27/88
  4. Allowance
  5. Grant
  6. In force

The applicant withdrew the application. The case ended without a patent.

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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

M. [. (pessoa física)

S. [. (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

09/27/1988

RPI 936

Notificação de entrada na fase nacional - PCT

#1.3

08/04/1987

RPI 876

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