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Official data from INPI

COPOLÍMERO ENXERTADO E PROCESSO DE COMPATIBILIZAÇÃO DE UMA MISTURA POLIMÉRICA

ArquivadaInvention PatentPCT · US1989005246

Application data

Number

PI8907899

Type

Invention Patent

Filing

11/20/1989

Publication

07/21/1992

PCT

US1989005246

Progress at the INPI

  1. Filing11/20/89
  2. Publication07/21/92
  3. Abandoned03/16/93
  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: 09/19/1995. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Exxon Chemical Patents Inc

US

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Inventors

A. D. (pessoa física)

US

H. W. (pessoa física)

US

J. O. (pessoa física)

US

K. P. (pessoa física)

US

T. C. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

416,713 · 10/03/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

09/19/1995

RPI 1294

Exigência - art. 36 da LPI

#6.1

01/03/1995

RPI 1257

Solicitação de exame técnico

#4.1

03/16/1993

RPI 1163

Notificação de entrada na fase nacional - PCT

#1.3

07/21/1992

RPI 1129

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