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Official data from INPI

PROCESSO PARA A OBTENÇÃO DE ETANOS PARCIALMENTE FLUORADOS

Prazo de SigiloInvention Patent

Application data

Number

PI8904289

Type

Invention Patent

Filing

08/25/1989

Publication

04/17/1990

Progress at the INPI

  1. Filing08/25/89
  2. Publication04/17/90
  3. Examination04/07/92
  4. Allowance10/01/96
  5. Grant11/25/97
  6. Expired12/26/12

The letters patent expired on 12/26/2012: 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: 11/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. A. (pessoa física)

DE

Solvay (Société Anonyme)

BE

See this company's full portfolio

Inventors

D. C. (pessoa física)

DE

D. N. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 38 29 098.7 · 08/27/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

11/28/1989

RPI 997

Carta-patente expirada

#21.1

Patente extinta em 25/08/2009

12/26/2012

RPI 2190

Concessão da patente

#16.1

11/25/1997

RPI 1408

Transferência deferida

#25.1

10/21/1997

RPI 1403

9.1.3

02/25/1997

RPI 1369

Deferimento

#9.1

10/01/1996

RPI 1348

Exigência - art. 36 da LPI

#6.1

01/23/1996

RPI 1312

Solicitação de exame técnico

#4.1

04/07/1992

RPI 1114

Publicação do pedido de patente

#3.1

04/17/1990

RPI 1014

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