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Official data from INPI

RESINA TROCADORA DE ÍONS, PROCESSO PARA PREPARAR UM POLÍMERO ORGÂNICO AROMÁTICO SULFONADO DE ORGANO-MERCAPTANO E PROCESSO APERFEIÇOADO PARA PREPARAR BISFENOL.

ConcedidaInvention Patent

Application data

Number

PI8106250

Type

Invention Patent

Filing

09/29/1981

Publication

06/15/1982

Progress at the INPI

  1. Filing09/29/81
  2. Publication06/15/82
  3. Examination07/31/84
  4. Allowance03/11/86
  5. Grant09/30/86
  6. Terminated09/13/94

The patent was granted on 09/30/1986 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: 09/30/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

General Electric Company

US

See this company's full portfolio

Inventors

F. G. (pessoa física)

Technical data

Priority claims

US

192.447 · 09/30/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/30/1986

RPI 832

Notificação para pagamento de retribuição

#13.1

07/01/1986

RPI 819

Deferimento

#9.1

03/11/1986

RPI 803

Exigência - art. 36 da LPI

#6.1

03/19/1985

RPI 752

Solicitação de exame técnico

#4.1

07/31/1984

RPI 719

Publicação do pedido de patente

#3.1

06/15/1982

RPI 608

Pedido de patente depositado

#2.1

11/17/1981

RPI 578

Anuidade - prazo legal encerrado

#18.2

09/13/1994

RPI 1241

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