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Official data from INPI

PROCESSO PARA OBTENCAO DE UM COPOLIMERO E PROCESSO PARA PRODUZIR UM PAPEL DE RESISTENCIA A UMIDO APERFEICOADA

Em AnáliseInvention Patent

Application data

Number

PI7600653

Type

Invention Patent

Filing

02/03/1975

Publication

-

Progress at the INPI

  1. Filing02/03/75
  2. Publication
  3. Examination
  4. Allowance
  5. Grant
  6. Terminated01/17/89

The patent was granted 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: 01/17/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

NAT STARCH CHEM CORP

Inventors

R. D. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

01/17/1989

RPI 952

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