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Official data from INPI

Composto de bis - (sililetil) - oligosulfetos, processo para sua preparação e seu emprego como aditivos.

IndeferidaInvention Patent

Application data

Number

PI7907417

Type

Invention Patent

Filing

12/21/1979

Publication

-

Progress at the INPI

Under appeal
  1. Filing12/21/79
  2. Publication
  3. Examination
  4. Refused03/19/85
  5. Grant
  6. In force

The application was refused by the INPI on 03/19/1985. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 03/19/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. R. (pessoa física)

DE

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Inventors

C. L. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Priority claims

DE

P 28 56 229.0 · 12/27/1978

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

03/19/1985

RPI 752

Conhecimento de parecer técnico

#7.1

03/27/1984

RPI 701

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