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Official data from INPI

POLIORGANOSSILLOXANOS DE ENXOFRE-FUNCIONAIS

ArquivadaInvention Patent

Application data

Number

PI9904939

Type

Invention Patent

Filing

10/26/1999

Publication

11/28/2000

Progress at the INPI

  1. Filing10/26/99
  2. Publication11/28/00
  3. Abandoned
  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: 01/29/2008. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. A. (pessoa física)

DE

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Inventors

D. L. (pessoa física)

DE

D. K. (pessoa física)

DE

D. L. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

198 49 404.1 · 10/27/1999

DE

199 05 820.2 · 02/12/1999

Abstract

Patente de Invenção: "POLIORGANOSSILOXANOS DE ENXOFRE-FUNCIONAIS" . Poliorganossiloxanos de enxofre-funcionais correspondentes à fórmula geral I Eles podem ser usados nas misturas de borracha.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

01/29/2008

RPI 1934

Exigência - art. 36 da LPI

#6.1

02/13/2007

RPI 1884

Publicação do pedido de patente

#3.1

11/28/2000

RPI 1560

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