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Official data from INPI

COMPOSIÇÃO; POLIPROPILENO; E PROCESSO

ArquivadaInvention Patent

Application data

Number

PI9605726

Type

Invention Patent

Filing

11/27/1996

Publication

08/25/1998

Progress at the INPI

  1. Filing11/27/96
  2. Publication08/25/98
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 11/27/1996 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: 05/07/2002. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Union Carbide Chemicals & Plastics Technology Corporation

US

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Inventors

P. H. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

08729944 · 10/15/1996

US

60888465 · 12/01/1995

Abstract

Patente de Invenção "COMPOSIÇÃO; POLIPROPILENO; E PROCESSO". Esta invenção mostra um novo pró-catalisador para polimerização de olefina que é fabricado a partir de uma mistura de espécies de alcóxido ou arilóxido de magnésio e espécies alcóxido ou arilóxido de magnésio carbonatadas que são contactadas com um composto contendo titânio e um composto contendo halogênio.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

05/07/2002

RPI 1635

Publicação do pedido de patente

#3.1

08/25/1998

RPI 1444

Pedido de patente depositado

#2.1

05/20/1997

RPI 1381

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