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Official data from INPI

PROCESSO PARA PRODUZIR COMPOSTO SILÂNICO OU SILOXÂNICO CONTENDO PELO MENOS UM ANEL CICLOALQUÍLICO

PublicadaInvention Patent

Application data

Number

PI8800934

Type

Invention Patent

Filing

03/04/1988

Publication

10/11/1988

Progress at the INPI

  1. Filing03/04/88
  2. Publication10/11/88
  3. Abandoned01/15/91
  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: 10/11/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Istituto Guido Donegani S.p.A

IT

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Inventors

F. G. (pessoa física)

L. S. (pessoa física)

R. U. (pessoa física)

Technical data

IPC Classification

Priority claims

IT

41003 A/87 · 03/06/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

10/11/1988

RPI 938

Pedido de patente depositado

#2.1

05/31/1988

RPI 919

Arquivamento - Art. 36 §1° da LPI

#11.2

07/25/1995

RPI 1286

Exigência - art. 36 da LPI

#6.1

09/27/1994

RPI 1243

Solicitação de exame técnico

#4.1

01/15/1991

RPI 1050

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