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

PROCESSO SEQUENCIAL DE POLIMERIZACAO DE EMULSOES,PARA LATEX DE PARTICULAS ESTRUTURADAS

ConcedidaInvention Patent

Application data

Number

PI8009042

Type

Invention Patent

Filing

01/02/1980

Publication

10/13/1982

Progress at the INPI

  1. Filing01/02/80
  2. Publication10/13/82
  3. Examination08/09/83
  4. Allowance08/25/87
  5. Grant03/29/88
  6. Terminated08/09/94

The patent was granted on 03/29/1988 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: 03/29/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DOW CHEMICAL CO [US]

See this company's full portfolio

Inventors

D. L. (pessoa física)

T. I. (pessoa física)

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/29/1988

RPI 910

Notificação para pagamento de retribuição

#13.1

11/24/1987

RPI 892

100

08/25/1987

RPI 879

120

06/17/1986

RPI 817

Petição de recurso

#12.2

01/08/1985

RPI 742

Indeferimento

#9.2

09/18/1984

RPI 726

Pedido de certificado de adição de invenção

#5.1

12/27/1983

RPI 688

Solicitação de exame técnico

#4.1

08/09/1983

RPI 668

Publicação do pedido de patente

#3.1

10/13/1982

RPI 625

Pedido de patente depositado

#2.1

12/08/1981

RPI 581

Anuidade - prazo legal encerrado

#18.2

08/09/1994

RPI 1236

Patent monitoring

Track this patent in real time.

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