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Official data from INPI

PRÉ-POLÍMEROS DE POLIISOCIANATO PREPARADOS A PARTIR DE MATERIAIS PRECURSORES POLIAROMÁTICOS RÍGIDOS E POLIURETANOS PREPARADOS A PARTIR DOS MESMOS

ArquivadaInvention PatentPCT · US1988002291

Application data

Number

PI8807617

Type

Invention Patent

Filing

07/07/1988

Publication

06/12/1990

PCT

US1988002291

Progress at the INPI

  1. Filing07/07/88
  2. Publication06/12/90
  3. Abandoned10/16/90
  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: 03/27/2018. 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

E. I. (pessoa física)

US

O. T. (pessoa física)

R. P. (pessoa física)

US

Technical data

Priority claims

US

073.046 · 07/14/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: C08G 18/32; C08G 18/14; C08G 18/38; C08G 18/48.

03/27/2018

RPI 2464

Arquivamento - Art. 36 §1° da LPI

#11.2

03/15/1994

RPI 1215

Exigência - art. 36 da LPI

#6.1

07/20/1993

RPI 1181

Solicitação de exame técnico

#4.1

10/16/1990

RPI 1037

Notificação de entrada na fase nacional - PCT

#1.3

06/12/1990

RPI 1022

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