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Official data from INPI

ÁLCOOIS OLEÓFILOS COMO COMPONENTES DE SISTEMAS DE ENXAGUAMENTO DE PERFURAÇÕES INVERSOS

ArquivadaInvention PatentPCT · EP1990000499

Application data

Number

PI9007260

Type

Invention Patent

Filing

03/29/1990

Publication

12/17/1991

PCT

EP1990000499

Progress at the INPI

  1. Filing03/29/90
  2. Publication12/17/91
  3. Abandoned06/29/93
  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: 03/27/2018. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. A. (pessoa física)

DE

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Inventors

D. H. (pessoa física)

DE

D. T. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 39 11 238.1 · 04/07/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era C09K 7/06.

03/27/2018

RPI 2464

Arquivamento - Art. 36 §1° da LPI

#11.2

09/01/1998

RPI 1445

Exigência - art. 36 da LPI

#6.1

05/13/1997

RPI 1380

Solicitação de exame técnico

#4.1

06/29/1993

RPI 1178

Notificação de entrada na fase nacional - PCT

#1.3

12/17/1991

RPI 1098

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