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Official data from INPI

Processo para a produção de butanol - 1, 4 - Diol.

ArquivadaInvention Patent

Application data

Number

PI8002562

Type

Invention Patent

Filing

04/25/1980

Publication

12/15/1981

Progress at the INPI

  1. Filing04/25/80
  2. Publication12/15/81
  3. Abandoned01/03/84
  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.

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Latest action published by the INPI: 09/17/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Davy Mckee (Oil & Chemicals) Limited

Inventors

D. A. (pessoa física)

H. N. (pessoa física)

H. G. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

09/17/1985

RPI 778

Exigência - art. 36 da LPI

#6.1

04/16/1985

RPI 756

Solicitação de exame técnico

#4.1

01/03/1984

RPI 689

Publicação do pedido de patente

#3.1

12/15/1981

RPI 582

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