Official data from INPI

Processo termo-químico mecânico de sacarificão de madeira e outros materiais celulósicos

IndeferidaInvention Patent

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Application data

Number

PI8003972

Type

Invention Patent

Filing

06/25/1980

Publication

03/02/1982

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Progress at the INPI

Under appeal

Filing06/25/80
Publication03/02/82
Examination09/13/83
Refused04/16/85
Grant
In force

The application was refused by the INPI on 04/16/1985. The invention was never patented.

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Latest action published by the INPI: 04/16/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. R. (pessoa física)

Inventors

B. L. (pessoa física)

Technical data

IPC Classification

C13K 1/02 C13K 11/00 C13K 13/00 C13K 3/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

04/16/1985

RPI 756

Conhecimento de parecer técnico

#7.1

06/26/1984

RPI 714

Solicitação de exame técnico

#4.1

09/13/1983

RPI 673

Publicação do pedido de patente

#3.1

03/02/1982

RPI 593

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