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Official data from INPI

PROCESSO PARA MODIFICAÇÃO QUÍMICA DO AMIDO.

ConcedidaInvention Patent

Application data

Number

PI8102462

Type

Invention Patent

Filing

04/23/1981

Publication

01/05/1982

Progress at the INPI

  1. Filing04/23/81
  2. Publication01/05/82
  3. Examination07/05/83
  4. Allowance03/17/87
  5. Grant10/25/88
  6. Expired10/01/96

The letters patent expired on 10/01/1996: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 10/25/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

CPC International Inc.

US

See this company's full portfolio

Inventors

M. G. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Priority claims

GB

8013830 · 04/25/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/25/1988

RPI 940

110

07/19/1988

RPI 926

120

01/26/1988

RPI 901

Recurso

#12.1

06/23/1987

RPI 870

Deferimento

#9.1

03/17/1987

RPI 856

Exigência - art. 36 da LPI

#6.1

03/04/1986

RPI 802

Exigência - art. 36 da LPI

#6.1

06/25/1985

RPI 766

Pedido de certificado de adição de invenção

#5.1

11/16/1983

RPI 682

Solicitação de exame técnico

#4.1

07/05/1983

RPI 663

Publicação do pedido de patente

#3.1

01/05/1982

RPI 585

Carta-patente expirada

#21.1

10/01/1996

RPI 1348

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