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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE UM CRU REDUZIDO OU ÓLEO CRU COM TEOR REDUZIDO EM METAL E CARBONO CONRADSON, E, COMPOSIÇÃO DE MATÉRIA PARA USO NO PROCESSO

ArquivadaInvention Patent

Application data

Number

PI8201773

Type

Invention Patent

Filing

03/29/1982

Publication

03/01/1983

Progress at the INPI

  1. Filing03/29/82
  2. Publication03/01/83
  3. Abandoned05/07/85
  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: 04/26/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ashland Oil, Inc

US

See this company's full portfolio

Inventors

E. C. (pessoa física)

US

H. B. (pessoa física)

US

J. C. (pessoa física)

US

J. P. (pessoa física)

US

O. Z. (pessoa física)

US

S. K. (pessoa física)

US

W. J. (pessoa física)

US

Technical data

Priority claims

US

277,752 · 03/30/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

04/26/1988

RPI 914

Exigência - art. 36 da LPI

#6.1

10/27/1987

RPI 888

Solicitação de exame técnico

#4.1

05/07/1985

RPI 759

3.4

04/19/1983

RPI 652

Publicação do pedido de patente

#3.1

03/01/1983

RPI 645

Pedido de patente depositado

#2.1

05/18/1982

RPI 604

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