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Official data from INPI

PROCESSO PARA PURIFICAÇÃO DE PRODUTOS DE ADIÇÃO DE ÓXIDO DE ALQUILENO.

ArquivadaInvention Patent

Application data

Number

PI9001939

Type

Invention Patent

Filing

04/26/1990

Publication

07/30/1991

Progress at the INPI

  1. Filing04/26/90
  2. Publication07/30/91
  3. Examination10/13/93
  4. Allowance11/11/97
  5. Abandoned
  6. In force

The application was allowed on 11/11/1997 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

Talk to a specialist

Latest action published by the INPI: 06/22/1999. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. A. (pessoa física)

DE

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Inventors

I. W. (pessoa física)

DE

S. B. (pessoa física)

Technical data

Priority claims

DE

P 39 13 937.9 · 04/27/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 38 §2° da LPI

#11.4

Arquivamento - Art. 38 § 2º LPI.

06/22/1999

RPI 1485

Deferimento

#9.1

11/11/1997

RPI 1406

Exigência - art. 36 da LPI

#6.1

11/19/1996

RPI 1355

Solicitação de exame técnico

#4.1

10/13/1993

RPI 1193

Publicação do pedido de patente

#3.1

07/30/1991

RPI 1078

Pedido de patente depositado

#2.1

08/21/1990

RPI 1029

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