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

PROCESSO PARA A PREPARACAO DE SILANOS A PARTIR DE ESTERES DE ACIDO OLEICO TECNICOS

Em AnáliseInvention Patent

Application data

Number

PI7807769

Type

Invention Patent

Filing

08/17/1978

Publication

-

Progress at the INPI

  1. Filing08/17/78
  2. Publication
  3. Examination
  4. Allowance08/16/83
  5. Grant02/28/84
  6. Terminated05/17/88

The patent was granted on 02/28/1984 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: 05/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

HENKEL KGAA

See this company's full portfolio

Inventors

H. H. (pessoa física)

K. H. (pessoa física)

V. P. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/17/1988

RPI 917

Concessão da patente

#16.1

02/28/1984

RPI 697

Notificação para pagamento de retribuição

#13.1

12/06/1983

RPI 685

Deferimento

#9.1

08/16/1983

RPI 669

Exigência - art. 36 da LPI

#6.1

02/01/1983

RPI 641

6.2

04/06/1982

RPI 598

Patent monitoring

Track this patent in real time.

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