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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE COMPOSTOS DE CETONA

ArquivadaInvention PatentPCT · EP1991000025

Application data

Number

PI9105941

Type

Invention Patent

Filing

01/10/1991

Publication

11/17/1992

PCT

EP1991000025

Progress at the INPI

  1. Filing01/10/91
  2. Publication11/17/92
  3. Abandoned09/08/93
  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: 09/14/1999. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. A. (pessoa física)

DE

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Inventors

D. S. (pessoa física)

DE

E. G. (pessoa física)

DE

Technical data

Priority claims

DE

P 40 01 316.2 · 01/18/1990

Abstract

Compostos de cetona são obtidos pelo rearranjo de epóxidos, em presença de íons iodeto, quando se aplicam, como catalisadores de rearranjo, sais de amônio e de fosfônio quaternários, eventualmente na mistura com iodetos de metais alcalinos ou de metais alcalino-terrosos.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

09/14/1999

RPI 1497

Exigência - art. 36 da LPI

#6.1

12/15/1998

RPI 1458

Solicitação de exame técnico

#4.1

09/08/1993

RPI 1188

Notificação de entrada na fase nacional - PCT

#1.3

11/17/1992

RPI 1146

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