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Official data from INPI

PROCESSO PARA PRODUCAO DE PAPEL E PAPELAO,COMPOSICOES DE PAPEL E PAPELAO PROCESSO PARA INCORPORACAO DE ADITIVOS NAO HIDROSSOLUVEIS E FOLHAS NAO TECIDAS

ConcedidaInvention Patent

Application data

Number

PI7701841

Type

Invention Patent

Filing

03/25/1976

Publication

-

Progress at the INPI

  1. Filing03/25/76
  2. Publication
  3. Examination
  4. Allowance12/22/81
  5. Grant04/24/84
  6. Terminated01/21/92

The patent was granted on 04/24/1984 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: 04/24/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

NAT STARCH CHEM CORP

Inventors

B. A. (pessoa física)

G. D. (pessoa física)

H. H. (pessoa física)

T. D. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/24/1984

RPI 705

15.15

02/28/1984

RPI 697

110

12/27/1983

RPI 688

Alteração de dados cadastrais

#1.1

04/27/1982

RPI 601

Deferimento

#9.1

12/22/1981

RPI 583

Anuidade - prazo legal encerrado

#18.2

01/21/1992

RPI 1103

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