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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE 1,1,1,2-TETRAFLUORETANO

Arquivada/ExtintaInvention Patent

Application data

Number

PI9003345

Type

Invention Patent

Filing

07/12/1990

Publication

08/27/1991

Progress at the INPI

  1. Filing07/12/90
  2. Publication08/27/91
  3. Examination10/05/93
  4. Allowance09/29/98
  5. Grant02/23/99
  6. Expired01/22/13

The letters patent expired on 01/22/2013: 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: 01/22/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ausimont S.r.l.

IT

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Inventors

A. M. (pessoa física)

IT

P. C. (pessoa física)

IT

Technical data

IPC Classification

Priority claims

IT

21159 A/89 · 07/12/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 12/07/2010

01/22/2013

RPI 2194

Concessão da patente

#16.1

02/23/1999

RPI 1468

Deferimento

#9.1

09/29/1998

RPI 1449

Exigência - art. 36 da LPI

#6.1

03/25/1997

RPI 1373

Solicitação de exame técnico

#4.1

10/05/1993

RPI 1192

Publicação do pedido de patente

#3.1

08/27/1991

RPI 1082

Pedido de patente depositado

#2.1

01/15/1991

RPI 1050

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