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Official data from INPI

PROCESSO DE REDUCAO DE CONCENTRACAO DE GRUPOS TERMINAIS DE CARBOXILA EM FIBRAS TORCIDAS E DE TORCAO POR FUSAO DE POLIMEROS DE ELEVADO PESO MOLECULAR

IndeferidaInvention Patent

Application data

Number

PI7903444

Type

Invention Patent

Filing

06/07/1978

Publication

-

Progress at the INPI

Under appeal
  1. Filing06/07/78
  2. Publication
  3. Examination03/09/82
  4. Refused01/31/84
  5. Grant
  6. In force

The application was refused by the INPI on 01/31/1984. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 01/31/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

FIBER INDUSTRIES INC

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Inventors

No inventors listed.

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

01/31/1984

RPI 693

Republicação - classificação IPC

#15.11

02/22/1983

RPI 644

Conhecimento de parecer técnico

#7.1

01/25/1983

RPI 640

Solicitação de exame técnico

#4.1

03/09/1982

RPI 594

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