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Official data from INPI

ESTABILIZAÇÃO DE POLIÓIS COM COMPOSIÇÕES LÍQUIDAS DE VULCANIZAÇÃO PREMATURA

ArquivadaInvention PatentPCT · US1991006309

Application data

Number

PI9106923

Type

Invention Patent

Filing

09/04/1991

Publication

08/17/1993

PCT

US1991006309

Progress at the INPI

  1. Filing09/04/91
  2. Publication08/17/93
  3. Abandoned05/31/94
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 11/16/1999. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Uniroyal Chemical Company, Inc.

US

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Inventors

B. D. (pessoa física)

US

L. B. (pessoa física)

US

M. R. (pessoa física)

US

P. S. (pessoa física)

US

Technical data

Priority claims

US

590,104 · 09/28/1990

Abstract

A invenção refere-se ao uso de certas composições de difenilamina estirenada e fenol bloqueado para a estabilização de polióis poliéter.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

11/16/1999

RPI 1506

Exigência - art. 36 da LPI

#6.1

11/17/1998

RPI 1454

Solicitação de exame técnico

#4.1

05/31/1994

RPI 1226

Notificação de entrada na fase nacional - PCT

#1.3

08/17/1993

RPI 1185

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