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Official data from INPI

APLICAÇÃO DE ÉTERES MISTOS DE HIDRÓXI COMO AGENTES AUXILIARES PARA A DESIDRATAÇÃO DE SÓLIDOS

Em AnáliseInvention PatentPCT · EP1990000851

Application data

Number

PI9007418

Type

Invention Patent

Filing

05/28/1990

Publication

06/16/1992

PCT

EP1990000851

Progress at the INPI

  1. Filing05/28/90
  2. Publication06/16/92
  3. Examination04/13/93
  4. Allowance
  5. Grant
  6. In force

Published on 06/16/1992, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.

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Latest action published by the INPI: 11/28/1995. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. A. (pessoa física)

DE

Inventors

D. L. (pessoa física)

DE

D. S. (pessoa física)

DE

R. K. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P3918274.6 · 06/05/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

11/28/1995

RPI 1304

Solicitação de exame técnico

#4.1

04/13/1993

RPI 1167

Notificação de entrada na fase nacional - PCT

#1.3

06/16/1992

RPI 1124

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