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Official data from INPI

MATERIAL COMPOSTO

ArquivadaInvention PatentPCT · US1993004629

Application data

Number

PI9306524

Type

Invention Patent

Filing

05/17/1993

Publication

09/15/1998

PCT

US1993004629

Progress at the INPI

  1. Filing05/17/93
  2. Publication09/15/98
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned at the INPI. The case ended without a patent and the technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 04/25/2000. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Dow Chemical Company

US

See this company's full portfolio

Inventors

A. G. (pessoa física)

NL

Technical data

Priority claims

US

92201475.8(EP) · 05/21/1992

Abstract

Patente de Invenção de "MATERIAL COMPOSTO". A invenção relaciona-se a um material composto, compreendendoum material composto de polímero de estireno reforçado com borracha polimerizado em massa tendo disperso na matriz polimérica do mesmo um material de enchimento fibroso e um material de enchimento esférico.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

11.30

Prazo encerrado durante a vigência da Lei 5772/71.

04/25/2000

RPI 1529

Notificação de entrada na fase nacional - PCT

#1.3

09/15/1998

RPI 1447

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