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Official data from INPI

PROCESSO PARA CONVERTER UM QUELATO DE METAL POLIVALENTE DE ESTADO DE VALÊNCIA MENOR E CÉLULA ELETROQUÍMICA

ArquivadaInvention Patent

Application data

Number

PI8904972

Type

Invention Patent

Filing

09/27/1989

Publication

05/08/1990

Progress at the INPI

  1. Filing09/27/89
  2. Publication05/08/90
  3. Abandoned03/24/92
  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: 12/15/1998. 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

B. S. (pessoa física)

J. M. (pessoa física)

Technical data

IPC Classification

Priority claims

US

250.454 · 09/28/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

Ref. RPI 1435 de 23/06/98, conforme o disposto no art. 36 § 1º da LPI.

12/15/1998

RPI 1458

Exigência - art. 36 da LPI

#6.1

06/23/1998

RPI 1435

Solicitação de exame técnico

#4.1

03/24/1992

RPI 1112

Publicação do pedido de patente

#3.1

05/08/1990

RPI 1017

Pedido de patente depositado

#2.1

02/13/1990

RPI 1006

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