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Official data from INPI

COMPOSICOES CONTENDO HIDROGENIO ATIVO DOTADAS DE UM ADUTO TERMINADO EM AMINA SECUNDARIA DE UM COMPOSTO DE AMINA PRIMARIA,E UM POLIEPOXIDO,E POLIMEROS CONTENDO UMA POLIUREIA PREPARADOS A PARTIR DESSAS COMPOSICOES

Em AnáliseInvention Patent

Application data

Number

PI8604539

Type

Invention Patent

Filing

01/17/1986

Publication

07/14/1987

Progress at the INPI

  1. Filing01/17/86
  2. Publication07/14/87
  3. Abandoned10/06/87
  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: 10/06/1987. 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

N. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

10/06/1987

RPI 885

Notificação de entrada na fase nacional - PCT

#1.3

07/14/1987

RPI 873

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

03/16/1993

RPI 1163

Exigência - art. 36 da LPI

#6.1

09/17/1991

RPI 1085

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