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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE 2-OXO-1,3-DIOXOLANAS E CATALISADOR

Em AnáliseInvention Patent

Application data

Number

PI9103908

Type

Invention Patent

Filing

09/11/1991

Publication

05/26/1992

Progress at the INPI

  1. Filing09/11/91
  2. Publication05/26/92
  3. Examination07/05/94
  4. Allowance
  5. Grant
  6. In force

Published on 05/26/1992, 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

R. A. (pessoa física)

DE

Inventors

D. M. (pessoa física)

DE

D. S. (pessoa física)

DE

D. Z. (pessoa física)

DE

D. H. (pessoa física)

DE

Technical data

Priority claims

DE

P 40 30 283.0 · 09/25/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

12/23/1997

RPI 1409

Solicitação de exame técnico

#4.1

07/05/1994

RPI 1231

Publicação do pedido de patente

#3.1

05/26/1992

RPI 1121

Pedido de patente depositado

#2.1

10/22/1991

RPI 1090

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