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Official data from INPI

COMPOSIÇÕES DE HIDROCARBONETOS LÍQUIDOS PROVENIENTES DE REFINAÇÃO COM APERFEIÇOADA FLUIDEZ A BAIXA TEMPERATURA

Prazo de SigiloInvention Patent

Application data

Number

PI8903359

Type

Invention Patent

Filing

07/07/1989

Publication

02/13/1990

Progress at the INPI

  1. Filing07/07/89
  2. Publication02/13/90
  3. Examination03/10/92
  4. Allowance07/07/98
  5. Grant11/24/98
  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: 09/19/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ausimont S.r.l

IT

Societa'Italiana Additivi Per Carburanti S p A S I A C

IT

Societa'Italiana Additivi Per Carburanti S.r.l.

IT

See this company's full portfolio

Inventors

E. A. (pessoa física)

IT

E. S. (pessoa física)

IT

F. M. (pessoa física)

IT

L. C. (pessoa física)

IT

P. F. (pessoa física)

IT

Technical data

IPC Classification

Priority claims

IT

21281 A/88 · 07/08/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

09/19/1989

RPI 987

Carta-patente expirada

#21.1

Patente extinta em 07/07/2009

12/26/2012

RPI 2190

Concessão da patente

#16.1

11/24/1998

RPI 1455

Deferimento

#9.1

07/07/1998

RPI 1437

Exigência - art. 36 da LPI

#6.1

02/27/1996

RPI 1317

14.1

06/14/1994

RPI 1228

Solicitação de exame técnico

#4.1

03/10/1992

RPI 1110

14.4

11/19/1991

RPI 1094

Publicação do pedido de patente

#3.1

02/13/1990

RPI 1006

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