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Official data from INPI

POLÍMERO DE ÓXIDO DE ALQUILENO, PROCESSO PARA SUA PREPARAÇÃO E PROCESSO PARA O DESEMULSIONAMENTO DE EMULSÕES DE ÓLEO BRUTO.

ArquivadaInvention Patent

Application data

Number

PI8205089

Type

Invention Patent

Filing

08/31/1982

Publication

08/09/1983

Progress at the INPI

  1. Filing08/31/82
  2. Publication08/09/83
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 08/31/1982 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: 11/19/1985. 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)

H. M. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

P 31 34 549.2 · 09/01/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

11/19/1985

RPI 787

Publicação do pedido de patente

#3.1

08/09/1983

RPI 668

Pedido de patente depositado

#2.1

10/19/1982

RPI 626

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