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Official data from INPI

POLPAÇÃO DE LIGNOCELULOSE COM ÁLCOOL AQUOSO E CATALISADOR DE SAL DE METAL ALCALINO TERROSO.

Em AnáliseInvention Patent

Application data

Number

PI8108706

Type

Invention Patent

Filing

07/24/1981

Publication

06/01/1982

Progress at the INPI

  1. Filing07/24/81
  2. Publication06/01/82
  3. Examination03/13/84
  4. Refused04/22/86
  5. Grant
  6. In force

The application was refused on 04/22/1986 and the appeal did not change the decision. The invention was never patented and the technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 04/22/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Bau- Und Forschungsgesellschaft Thermoform Ag.

CH

Inventors

P. L. (pessoa física)

P. C. (pessoa física)

Technical data

IPC Classification

Priority claims

CA

359.443 · 07/25/1980

EP

81/00105 · 07/24/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

111

04/22/1986

RPI 809

Petição de recurso

#12.2

08/06/1985

RPI 772

Indeferimento

#9.2

04/16/1985

RPI 756

Conhecimento de parecer técnico

#7.1

09/04/1984

RPI 724

Solicitação de exame técnico

#4.1

03/13/1984

RPI 699

Notificação de entrada na fase nacional - PCT

#1.3

06/01/1982

RPI 606

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