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Official data from INPI

PROCESSO DE PREPARAÇÃO DE 1,1-DICLORO-1-FLUORETANO

Arquivada/ExtintaInvention PatentPCT · BE1991000034

Application data

Number

PI9106531

Type

Invention Patent

Filing

06/04/1991

Publication

06/22/1993

PCT

BE1991000034

Progress at the INPI

  1. Filing06/04/91
  2. Publication06/22/93
  3. Examination11/16/93
  4. Allowance07/20/99
  5. Grant12/28/99
  6. Expired06/18/13

The letters patent expired on 06/18/2013: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 06/18/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Solvay

BE

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Inventors

F. J. (pessoa física)

BE

J. F. (pessoa física)

BE

Technical data

IPC Classification

Priority claims

BE

9000579 · 06/08/1990

Abstract

A invenção se refere a um processo térmico de fabricação de 1,1-dicloro-1-fluoretano por hidrofluoração de cloreto de vinilideno realizado com exclusão de qualquer catalisador.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 04/06/2011

06/18/2013

RPI 2215

Concessão da patente

#16.1

12/28/1999

RPI 1512

Deferimento

#9.1

07/20/1999

RPI 1489

Exigência - art. 36 da LPI

#6.1

02/17/1999

RPI 1467

Solicitação de exame técnico

#4.1

11/16/1993

RPI 1198

Notificação de entrada na fase nacional - PCT

#1.3

06/22/1993

RPI 1177

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