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Official data from INPI

Processo para reduzir o comprimento de cadeia de sulfano de Bis-(Sililorganil)-Polissulfanos.

ArquivadaInvention Patent

Application data

Number

PI9804638

Type

Invention Patent

Filing

11/13/1998

Publication

11/23/1999

Progress at the INPI

  1. Filing11/13/98
  2. Publication11/23/99
  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.

Talk to a specialist

Latest action published by the INPI: 08/22/2006. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. A. (pessoa física)

DE

Degussa - Hüls Aktiengesellschaft

DE

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Inventors

D. M. (pessoa física)

DE

R. M. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

197 50 503.1 · 11/14/1997

Abstract

Patente de Invenção: "PROCESSO PARA REDUZIR O COMPRIMENTO DE CADEIA DE SULFANO DE BIS-(SILILORGANIL)-POLISSULFANOS" . A presente invenção refere-se a um processo para a redução do comprimento da cadeia de sulfano de bis-(sililorganil)-polissulfanos, no qual esses compostos são reagidos com um sulfeto anidro e um composto halo-alquilssilano.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

08/22/2006

RPI 1859

Exigência - art. 36 da LPI

#6.1

01/10/2006

RPI 1827

Transferência deferida

#25.1

Transferido de: Degussa Aktiengesellschaft.

10/03/2000

RPI 1552

Publicação do pedido de patente

#3.1

11/23/1999

RPI 1507

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