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Official data from INPI

ESPUMAS FLEXIVEIS DE POLIURETANA PREPARADAS A PARTIR DE POLI(CARBONATO DE ALQUILENO)POLIOIS

Em AnáliseInvention Patent

Application data

Number

PI8607076

Type

Invention Patent

Filing

12/15/1986

Publication

04/05/1988

Progress at the INPI

  1. Filing12/15/86
  2. Publication04/05/88
  3. Abandoned06/06/89
  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: 06/06/1989. 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

P. [. (pessoa física)

W. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

06/06/1989

RPI 972

Notificação de entrada na fase nacional - PCT

#1.3

04/05/1988

RPI 911

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era C08G 18/14.

03/27/2018

RPI 2464

Arquivamento - Art. 36 §1° da LPI

#11.2

03/23/1993

RPI 1164

Exigência - art. 36 da LPI

#6.1

09/24/1991

RPI 1086

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