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Official data from INPI

DESIDRATAÇÃO DE SUSPENSÕES DE CARVÃO MIÚDO USANDO ORGANOPOLISSILIXANAS.

ArquivadaInvention Patent

Application data

Number

PI8108625

Type

Invention Patent

Filing

03/27/1981

Publication

04/06/1982

Progress at the INPI

  1. Filing03/27/81
  2. Publication04/06/82
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 03/27/1981 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 03/27/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. C. (pessoa física)

US

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Inventors

G. D. (pessoa física)

W. J. (pessoa física)

Technical data

IPC Classification

Priority claims

US

153.809 · 05/27/1980

US

81/00392 · 03/27/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

03/27/1984

RPI 701

Retificação da notificação da fase nacional - PCT

#1.3.1

05/25/1982

RPI 605

Notificação de entrada na fase nacional - PCT

#1.3

04/06/1982

RPI 598

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