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

PROCESSO PARA A PREPARACAO DE PERCARBONATO DE SODIO ESTABILIZADO

Em AnáliseInvention Patent

Application data

Number

PI7900966

Type

Invention Patent

Filing

03/10/1978

Publication

-

Progress at the INPI

  1. Filing03/10/78
  2. Publication
  3. Examination
  4. Allowance06/17/86
  5. Grant12/30/86
  6. Terminated01/28/92

The patent was granted on 12/30/1986 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: 11/10/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DEGUSSA

See this company's full portfolio

Inventors

K. H. (pessoa física)

K. G. (pessoa física)

S. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.4

11/10/1987

RPI 890

Concessão da patente

#16.1

12/30/1986

RPI 845

Notificação para pagamento de retribuição

#13.1

10/14/1986

RPI 834

Deferimento

#9.1

06/17/1986

RPI 817

Exigência - art. 36 da LPI

#6.1

09/17/1985

RPI 778

Exigência - art. 36 da LPI

#6.1

03/20/1984

RPI 700

Exigência - art. 36 da LPI

#6.1

11/01/1983

RPI 680

Exigência - art. 36 da LPI

#6.1

03/01/1983

RPI 645

Exigência - art. 36 da LPI

#6.1

05/04/1982

RPI 602

Anuidade - prazo legal encerrado

#18.2

01/28/1992

RPI 1104

Patent monitoring

Track this patent in real time.

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