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Official data from INPI

ELASTÔMEROS DE POLIURETANA A PARTIR DE POLIÓIS DE POLIÉTER DE OE/OB

ArquivadaInvention PatentPCT · US1988000882

Application data

Number

PI8807526

Type

Invention Patent

Filing

03/17/1988

Publication

06/12/1990

PCT

US1988000882

Progress at the INPI

  1. Filing03/17/88
  2. Publication06/12/90
  3. Abandoned10/15/91
  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: 10/31/1995. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Dow Chemical Company

US

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Inventors

B. A. (pessoa física)

US

L. K. (pessoa física)

US

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

10/31/1995

RPI 1300

Exigência - art. 36 da LPI

#6.1

01/31/1995

RPI 1261

Solicitação de exame técnico

#4.1

10/15/1991

RPI 1089

Notificação de entrada na fase nacional - PCT

#1.3

06/12/1990

RPI 1022

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