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

PROCESSO DE PREPARACAO DE SULFO-BETAINAS FLUORADAS E COMPOSICOES TENSO-ATIVAS, ESPECIALMENTE EXTINTORAS

Em AnáliseInvention Patent

Application data

Number

PI8002062

Type

Invention Patent

Filing

04/06/1979

Publication

-

Progress at the INPI

  1. Filing04/06/79
  2. Publication
  3. Examination
  4. Allowance09/04/84
  5. Grant03/26/85
  6. Terminated02/04/92

The patent was granted on 03/26/1985 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 08/20/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

U. K. (pessoa física)

See this company's full portfolio

Inventors

B. R. (pessoa física)

F. L. (pessoa física)

L. A. (pessoa física)

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

133

08/20/1985

RPI 774

Concessão da patente

#16.1

03/26/1985

RPI 753

Notificação para pagamento de retribuição

#13.1

12/26/1984

RPI 740

Deferimento

#9.1

09/04/1984

RPI 724

Exigência - art. 36 da LPI

#6.1

10/18/1983

RPI 678

6.2

12/07/1982

RPI 633

Anuidade - prazo legal encerrado

#18.2

02/04/1992

RPI 1105

Patent monitoring

Track this patent in real time.

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