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Official data from INPI

POLI(CARBONATO DE ALQUILENO)POLIAIS MODIFICADOS COM ISOCIANATO, PRÉ-POLÍMEROS POLI(CARBONATO DE ALQUILENO) POLIAIS MODIFICADOS COM ISOCIANATO, PRÉ-POLÍMEROSE POLÍMEROS DE URETANO/URÉIA PREPARADOS A PARTIR DO MESMO E POLÍMEROS DE URETANO/URÉIA PREPARADOS A PARTIR DO MESMO

ArquivadaInvention PatentPCT · US1988000354

Application data

Number

PI8807381

Type

Invention Patent

Filing

02/08/1988

Publication

05/15/1990

PCT

US1988000354

Progress at the INPI

  1. Filing02/08/88
  2. Publication05/15/90
  3. Abandoned08/14/90
  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: 03/15/1994. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Dow Chemical Company

US

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Inventors

R. H. (pessoa física)

Technical data

Priority claims

US

018.267 · 02/24/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

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

08/14/1990

RPI 1028

Notificação de entrada na fase nacional - PCT

#1.3

05/15/1990

RPI 1018

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