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Official data from INPI

PROCESSO PARA PRODUÇÃO DE POLIÉSTERES TERMINADOS EM ALCÓXI SILANOS

ArquivadaInvention Patent

Application data

Number

PI9105577

Type

Invention Patent

Filing

12/23/1991

Publication

09/01/1992

Progress at the INPI

  1. Filing12/23/91
  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 12/23/1991 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 11/01/1994. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Union Caribe chemical & Plastics Thechnology Corporation

US

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Inventors

G. M. (pessoa física)

US

J. T. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

634.109 · 12/26/1990

Abstract

Um processo para produção de poliésteres tendo grupos de extremidade terminados com alcóxi silano, que compreende ligação de monoóis iniciados com alila de alto peso molecular e a seguir realização de uma reação de hidro-silação.

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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