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

PROCESSO PARA SEPARAÇÃO DE OLEFINAS A PARTIR DE FLUXO GASOSO DE ALIMENTAÇÃO

IndeferidaInvention Patent

Application data

Number

PI9102047

Type

Invention Patent

Filing

05/17/1991

Publication

12/24/1991

Progress at the INPI

Under appeal
  1. Filing05/17/91
  2. Publication12/24/91
  3. Examination05/25/93
  4. Refused12/22/98
  5. Grant
  6. In force

The application was refused by the INPI on 12/22/1998. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 12/22/1998. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Standard Oil Company

US

See this company's full portfolio

Inventors

D. T. (pessoa física)

US

M. B. (pessoa física)

US

Technical data

Priority claims

US

528.849 · 05/25/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

Indeferido o pedido com base no disposto no Art. 8º da LPI 9279 de 14/05/96.

12/22/1998

RPI 1459

Conhecimento de parecer técnico

#7.1

06/23/1998

RPI 1435

Solicitação de exame técnico

#4.1

05/25/1993

RPI 1173

Publicação do pedido de patente

#3.1

12/24/1991

RPI 1099

Patent monitoring

Track this patent in real time.

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