(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from INPI

PROCESSO PARA A DESIDRATAÇÃO DE GÁS

ArquivadaInvention Patent

Application data

Number

PI9100570

Type

Invention Patent

Filing

02/08/1991

Publication

10/29/1991

Progress at the INPI

  1. Filing02/08/91
  2. Publication10/29/91
  3. Examination05/11/93
  4. Allowance09/08/99
  5. Abandoned
  6. In force

The application was allowed on 09/08/1999 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

Talk to a specialist

Latest action published by the INPI: 11/14/2000. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Praxair Technology, Inc.

US

Union Carbide Industrial Gases Technology Corporation

US

See this company's full portfolio

Inventors

B. B. (pessoa física)

US

J. N. (pessoa física)

US

S. G. (pessoa física)

US

Technical data

Priority claims

US

478.681 · 02/12/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 38 §2° da LPI

#11.4

Arquivamento - Art. 38 § 2º da LPI

11/14/2000

RPI 1558

Deferimento

#9.1

09/08/1999

RPI 1496

Exigência - art. 36 da LPI

#6.1

04/27/1999

RPI 1477

Exigência - art. 36 da LPI

#6.1

04/22/1998

RPI 1426

14.4

06/01/1993

RPI 1174

14.7

06/01/1993

RPI 1174

Solicitação de exame técnico

#4.1

05/11/1993

RPI 1171

Publicação do pedido de patente

#3.1

10/29/1991

RPI 1091

Pedido de patente depositado

#2.1

08/27/1991

RPI 1082

Related

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.