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

Novo processo de obtenção de um silico-aluminato cristalino de tipo A, com elevada retenção de água e especialmente de tipo A4, e produto assim obtido.

IndeferidaInvention Patent

Application data

Number

PI8100257

Type

Invention Patent

Filing

01/16/1981

Publication

-

Progress at the INPI

Under appeal
  1. Filing01/16/81
  2. Publication
  3. Examination08/23/83
  4. Refused03/25/86
  5. Grant
  6. In force

The application was refused by the INPI on 03/25/1986. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 03/25/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Rhone-Poulenc Industries

FR

See this company's full portfolio

Inventors

L. B. (pessoa física)

Technical data

IPC Classification

Priority claims

FR

80 01046 · 01/18/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

03/25/1986

RPI 805

Pedido de certificado de adição de invenção

#5.1

01/10/1984

RPI 690

Solicitação de exame técnico

#4.1

08/23/1983

RPI 670

Patent monitoring

Track this patent in real time.

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