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Official data from INPI

METODOS DE PREPARAR ESPUMAS RIGIDAS DE POLIURETANA,E COMPOSICOES PRECURSORAS DAS MESMAS

Em AnáliseInvention Patent

Application data

Number

PI8606753

Type

Invention Patent

Filing

07/02/1986

Publication

10/13/1987

Progress at the INPI

  1. Filing07/02/86
  2. Publication10/13/87
  3. Abandoned02/09/88
  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: 02/09/1988. 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

G. [. (pessoa física)

S. [. (pessoa física)

S. [. (pessoa física)

Pessoa física

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

02/09/1988

RPI 903

Notificação de entrada na fase nacional - PCT

#1.3

10/13/1987

RPI 886

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: C08G 18/50; C08G 18/14; C08G 18/40; C08J 9/00.

03/27/2018

RPI 2464

Arquivamento - Art. 36 §1° da LPI

#11.2

06/15/1993

RPI 1176

Exigência - art. 36 da LPI

#6.1

09/15/1992

RPI 1137

Conhecimento de parecer técnico

#7.1

12/10/1991

RPI 1097

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