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Official data from INPI

SUPORTES DE ALUMINA PARA CATALISADORES,CONTENDO SAIS DE BARIO.

Em AnáliseInvention Patent

Application data

Number

PI8400434

Type

Invention Patent

Filing

01/30/1984

Publication

09/10/1985

Progress at the INPI

  1. Filing01/30/84
  2. Publication09/10/85
  3. Abandoned10/06/87
  4. Allowance
  5. Grant
  6. In force

The applicant withdrew the application. The case ended without a patent.

Talk to a specialist

Latest action published by the INPI: 05/24/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DOW CHEMICAL CO [US]

See this company's full portfolio

Inventors

F. [. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

10.1

05/24/1988

RPI 918

Pedido de certificado de adição de invenção

#5.1

02/17/1988

RPI 904

Solicitação de exame técnico

#4.1

10/06/1987

RPI 885

Publicação do pedido de patente

#3.1

09/10/1985

RPI 777

Pedido de patente depositado

#2.1

04/17/1984

RPI 704

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