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Official data from INPI

PAPEL QUE CONTEM PIGMENTO E ALUMEN,NELE DISPERSO UM DERIVADO DE ETER DE AMIDO,E RESPECTIVOS PROCESSOS DE FABRICO DE PAPEL E DE PREPARACAO DO DERIVADO DE ETER DE AMIDO

Concessão AnuladaInvention Patent

Application data

Number

PI7805704

Type

Invention Patent

Filing

09/06/1977

Publication

-

Progress at the INPI

  1. Filing09/06/77
  2. Publication
  3. Examination
  4. Allowance12/20/83
  5. Grant07/31/84
  6. Terminated01/28/92

The patent was granted on 07/31/1984 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: 10/23/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

NAT STARCH CHEM CORP

Inventors

T. M. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

16.3

10/23/1984

RPI 731

Concessão da patente

#16.1

07/31/1984

RPI 719

Notificação para pagamento de retribuição

#13.1

04/17/1984

RPI 704

Deferimento

#9.1

12/20/1983

RPI 687

Exigência - art. 36 da LPI

#6.1

04/19/1983

RPI 652

6.2

01/26/1982

RPI 588

Anuidade - prazo legal encerrado

#18.2

01/28/1992

RPI 1104

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