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Official data from INPI

PROCESSO PARA FABRICAÇÃO DE POLÍMERO SILOXANO-URETANO RETICULADO E PROCESSO PARA A FABRICAÇÃO DE UMA COMPOSIÇÃO DE REDE-POLÍMERO-INTER-PENETRANTE

ArquivadaInvention Patent
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Application data

Number

PI8904891

Type

Invention Patent

Filing

09/27/1989

Publication

05/08/1990
View on INPI

Progress at the INPI

  1. Filing09/27/89
  2. Publication05/08/90
  3. Examination06/02/92
  4. Allowance05/18/99
  5. Abandoned
  6. In force

The application was allowed on 05/18/1999 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

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Latest action published by the INPI: 04/11/2000. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ciba-Geigy AG

CH

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Inventors

K. M. (pessoa física)

P. H. (pessoa física)

US

Technical data

IPC Classification

C08G 18/61C08G 77/26C08L 75/04C08L 83/06G02C 7/04

Priority claims

US

250.200 · 09/28/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 38 §2° da LPI

#11.4

04/11/2000

RPI 1527

Deferimento

#9.1

05/18/1999

RPI 1480

Exigência - art. 36 da LPI

#6.1

01/16/1996

RPI 1311

Exigência - art. 36 da LPI

#6.1

05/23/1995

RPI 1277

Solicitação de exame técnico

#4.1

06/02/1992

RPI 1122

Publicação do pedido de patente

#3.1

05/08/1990

RPI 1017

Pedido de patente depositado

#2.1

03/01/1990

RPI 1007

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