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Official data from INPI

INVÓLUCRO DE ALIMENTO EM FORMA DE TUBO FLEXÍVEL À BASE DE CELULOSE E SUA APLICAÇÃO

ArquivadaInvention Patent

Application data

Number

PI9203265

Type

Invention Patent

Filing

08/21/1992

Publication

05/18/1993

Progress at the INPI

  1. Filing08/21/92
  2. Publication05/18/93
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 08/21/1992 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 10/03/1995. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. A. (pessoa física)

DE

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Inventors

H. W. (pessoa física)

DE

K. H. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 41 27 604.3 · 08/21/1991

Abstract

A invenção descreve um invólucro de alimento em forma de tubo flexível, à base de celulose, com um revestimento presente sobre a superfície interna ou interna e externa, em que o revestimento se constitui de quitosano enlaçado quimicamente com a celulose.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

10/03/1995

RPI 1296

Publicação do pedido de patente

#3.1

05/18/1993

RPI 1172

Pedido de patente depositado

#2.1

09/29/1992

RPI 1139

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