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Official data from INPI

COMPOSICAO CATALITICA DE GEL PARA PREPARACAO DE ESPUMAS RIGIDAS DE POLIURETANA E PROCESSO APERFEICOADO PARA PREPARACAO DE ESPUMAS RIGIDAS DE POLIURETANA

ArquivadaInvention Patent

Application data

Number

PI7906532

Type

Invention Patent

Filing

10/12/1978

Publication

-

Progress at the INPI

  1. Filing10/12/78
  2. Publication
  3. Abandoned12/22/81
  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.

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Latest action published by the INPI: 06/25/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M & T CHEMICALS INC

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Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

06/25/1985

RPI 766

Exigência - art. 36 da LPI

#6.1

12/18/1984

RPI 739

Exigência - art. 36 da LPI

#6.1

01/17/1984

RPI 691

6.2

06/22/1982

RPI 609

Solicitação de exame técnico

#4.1

12/22/1981

RPI 583

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