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Official data from INPI

MISTURA NÃO-AZEOTRÓPICA

ArquivadaInvention Patent

Application data

Number

PI9503359

Type

Invention Patent

Filing

07/18/1995

Publication

02/27/1996

Progress at the INPI

  1. Filing07/18/95
  2. Publication02/27/96
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned at the INPI. The case ended without a patent and the technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 09/24/2020. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Elf Atochem S.A

FR

See this company's full portfolio

Inventors

S. M. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

94.08906 · 07/19/1994

Abstract

Patente de Invenção de "MISTURA NÃO-AZEOTRÓPICA". A fim de substituir o clorodifluormetano em sistemas propõe o uso de um refrigernate composto de uma mistura contendo cerca de 10 a 10% em peso de difluormetano, 4 a 8% em peso de trifluormetano e 72 a 82% em peso de 1,1,1,2-tetrafluretano.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Manutenção do arquivamento

#11.20

09/24/2020

RPI 2594

Arquivamento - Art. 34 da LPI

#11.5

12/03/2002

RPI 1665

Pedido suspenso — exigência de documentos

#6.6

02/19/2002

RPI 1624

Publicação do pedido de patente

#3.1

02/27/1996

RPI 1317

Pedido de patente depositado

#2.1

09/12/1995

RPI 1293

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