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Official data from INPI

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

Arquivada/ExtintaInvention Patent

Application data

Number

PI9101284

Type

Invention Patent

Filing

04/01/1991

Publication

11/05/1991

Progress at the INPI

  1. Filing04/01/91
  2. Publication11/05/91
  3. Examination09/14/93
  4. Allowance09/15/98
  5. Grant12/29/98
  6. Expired06/04/13

The letters patent expired on 06/04/2013: 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: 06/04/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Imperial Chemical Industries Plc.

GB

Ineos Fluor Holdings Limited

GB

See this company's full portfolio

Inventors

J. S. (pessoa física)

GB

R. S. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

GB

90 07029.3 · 03/29/1990

GB

9107234.8 · 03/27/1991

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 01/04/2011

06/04/2013

RPI 2213

Transferência deferida

#25.1

Transferido de: Imperial Chemical Industries Plc.

08/31/2004

RPI 1756

Concessão da patente

#16.1

12/29/1998

RPI 1460

Deferimento

#9.1

09/15/1998

RPI 1447

Exigência - art. 36 da LPI

#6.1

04/14/1998

RPI 1425

Solicitação de exame técnico

#4.1

09/14/1993

RPI 1189

Publicação do pedido de patente

#3.1

11/05/1991

RPI 1092

Pedido de patente depositado

#2.1

09/17/1991

RPI 1085

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