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Official data from INPI

COMPOSIÇÃO DE COMPOSTO DE HIDROGÊNIO ATIVO-ALQUILENO GLICOL, POLÍMERO DE POLIURETANA E PROCESSO PARA A PREPARAÇÃO DE UMA COMPOSIÇÃO DE COMPOSTO DE HIDROGÊNIO ATIVO-ALQUILENO GLICOL

ArquivadaInvention Patent

Application data

Number

PI9004288

Type

Invention Patent

Filing

08/24/1990

Publication

09/03/1991

Progress at the INPI

  1. Filing08/24/90
  2. Publication09/03/91
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 08/24/1990 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 06/28/1994. 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

R. C. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

398.806 · 08/25/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

06/28/1994

RPI 1230

Publicação do pedido de patente

#3.1

09/03/1991

RPI 1083

Pedido de patente depositado

#2.1

03/05/1991

RPI 1057

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