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

PROCESSO DE PRODUÇÃO DE FERTILIZANTE POTÁSSICO E DIÓXIDO DE ENXÔFRE

ConcedidaInvention Patent
Talk to an expert

Application data

Number

PI8200560

Type

Invention Patent

Filing

02/03/1982

Publication

10/04/1983
View on INPI

Progress at the INPI

  1. Filing02/03/82
  2. Publication10/04/83
  3. Examination06/18/85
  4. Allowance11/29/88
  5. Grant07/25/89
  6. Terminated11/15/94

The patent was granted on 07/25/1989 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: 07/25/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Instituto de Pesquisas Tecnológicas de São Paulo S/A - IPT

SP, BR

See this company's full portfolio

Inventors

J. V. (pessoa física)

BR

R. G. (pessoa física)

BR

Technical data

IPC Classification

C05D 1/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/25/1989

RPI 979

Deferimento

#9.1

11/29/1988

RPI 945

Exigência - art. 36 da LPI

#6.1

06/28/1988

RPI 923

Retificação

#15.6

12/01/1987

RPI 893

Alteração de numeração

#15.1

09/08/1987

RPI 881

Exigência - art. 36 da LPI

#6.1

04/01/1986

RPI 806

Solicitação de exame técnico

#4.1

06/18/1985

RPI 765

Solicitação de exame não realizada

#4.2

01/08/1985

RPI 742

Publicação do pedido de patente

#3.1

10/04/1983

RPI 676

Pedido de patente depositado

#2.1

03/23/1982

RPI 596

Anuidade - prazo legal encerrado

#18.2

11/15/1994

RPI 1250

Related

Patent monitoring

Track this patent in real time.

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