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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE UMA RESINA DE URÉIA/FORMALDEÍDO COM UMA RELAÇÃO MOLAR MUITO BAIXA DE FORMALDEÍDO/URÉIA

ConcedidaInvention Patent

Application data

Number

PI8406271

Type

Invention Patent

Filing

12/07/1984

Publication

10/01/1985

Progress at the INPI

  1. Filing12/07/84
  2. Publication10/01/85
  3. Examination04/28/87
  4. Allowance11/01/88
  5. Grant09/26/89
  6. Terminated07/04/95

The patent was granted on 09/26/1989 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: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Enigma N.V.

NL

Inventors

H. K. (pessoa física)

US

Technical data

IPC Classification

Priority claims

GB

8332962 · 12/09/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/26/1989

RPI 988

Notificação para pagamento de retribuição

#13.1

02/21/1989

RPI 957

Deferimento

#9.1

11/01/1988

RPI 941

Solicitação de exame técnico

#4.1

04/28/1987

RPI 862

Publicação do pedido de patente

#3.1

10/01/1985

RPI 780

Pedido de patente depositado

#2.1

03/05/1985

RPI 750

Anuidade - prazo legal encerrado

#18.2

07/04/1995

RPI 1283

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