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Official data from INPI

CATALISADOR À BASE DE VANÁDIO DE ALTA ATIVIDADE

ArquivadaInvention Patent

Application data

Number

PI9105562

Type

Invention Patent

Filing

12/20/1991

Publication

09/01/1992

Progress at the INPI

  1. Filing12/20/91
  2. Publication09/01/92
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 12/20/1991 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: 11/01/1994. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Union Carbide Chemicals and Plastics Company Inc.

US

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Inventors

K. C. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

631.648 · 12/21/1990

Abstract

Um sistema catalisador à base de vanádio é tratado com um alcóxido de alumínio como um meio de aperfeiçoamento de atividade de catalisador e produtividade de polímero.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

11/01/1994

RPI 1248

Publicação do pedido de patente

#3.1

09/01/1992

RPI 1135

Pedido de patente depositado

#2.1

02/04/1992

RPI 1105

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