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Official data from INPI

ESPUMAS RÍGIDAS DE POLIURETANA COM BAIXAS CONDUTIVIDADES TÉRMICAS

ArquivadaInvention PatentPCT · US1991000210

Application data

Number

PI9104644

Type

Invention Patent

Filing

01/10/1991

Publication

03/24/1992

PCT

US1991000210

Progress at the INPI

  1. Filing01/10/91
  2. Publication03/24/92
  3. Abandoned09/15/92
  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: 04/25/2000. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Dow Chemical Company

US

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Inventors

B. T. (pessoa física)

US

B. D. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

482.380 · 02/20/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

04/25/2000

RPI 1529

Exigência - art. 36 da LPI

#6.1

05/18/1999

RPI 1480

Solicitação de exame técnico

#4.1

09/15/1992

RPI 1137

Notificação de entrada na fase nacional - PCT

#1.3

03/24/1992

RPI 1112

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