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Official data from INPI

PROCESSO APERFEIÇOADO PARA HIDROFORMILAÇÃO

Em AnáliseInvention Patent

Application data

Number

PI9104838

Type

Invention Patent

Filing

11/06/1991

Publication

06/23/1992

Progress at the INPI

  1. Filing11/06/91
  2. Publication06/23/92
  3. Examination10/05/93
  4. Allowance
  5. Grant
  6. In force

Published on 06/23/1992, 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: 12/23/1997. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Union Carbide Chemicals and Plastics Company Inc.

US

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Inventors

K. S. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

611.081 · 11/09/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

12/23/1997

RPI 1409

Solicitação de exame técnico

#4.1

10/05/1993

RPI 1192

Publicação do pedido de patente

#3.1

06/23/1992

RPI 1125

Pedido de patente depositado

#2.1

12/10/1991

RPI 1097

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