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Official data from INPI

MISTURAS DE BORRACHA QUE CONTÊM ORGANOSSILANOPOLISSULFANOS, PROCESSO PARA PREPARAÇÃO DA MESMA, USO DA MESMA E ARTIGO MOLDADO

ArquivadaInvention Patent

Application data

Number

PI9907502

Type

Invention Patent

Filing

12/20/1999

Publication

08/15/2000

Progress at the INPI

  1. Filing12/20/99
  2. Publication08/15/00
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 12/20/1999 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 07/20/2004. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Degussa - Huels Aktiengesellschaft

DE

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Inventors

D. F. (pessoa física)

DE

D. L. (pessoa física)

DE

Technical data

Priority claims

DE

19858863.1 · 12/19/1998

Abstract

Patente de Invenção: ''MISTURAS DE BORRACHA QUE CONTÊM ORGANOSSILANOPOLISSULFANOS, PROCESSO PARA PREPARAÇÃO DA MESMA, USO DA MESMA E ARTIGO MOLDADO'' . A invenção provê a dessulfurização in-situ de organossilanopolissulfanos durante a preparação de misturas de borracha pela adição de, em particular, fosfinas ou fosfitos.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento definitivo - Art. 33 da LPI

#11.1.1

07/20/2004

RPI 1750

Arquivamento - Art. 33 da LPI

#11.1

12/02/2003

RPI 1717

Publicação do pedido de patente

#3.1

08/15/2000

RPI 1545

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