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Official data from INPI

PROCESSO PARA A SEPARAÇÃO DE ÁCIDO SULFÚRICO DA MISTURA REACIONAL RESULTANTE QUANDO DA SULFOXIDAÇÃO DE PARAFINAS.

ArquivadaInvention Patent

Application data

Number

PI8301442

Type

Invention Patent

Filing

03/22/1983

Publication

11/29/1983

Progress at the INPI

  1. Filing03/22/83
  2. Publication11/29/83
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 03/22/1983 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 03/11/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. A. (pessoa física)

DE

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Inventors

M. B. (pessoa física)

R. H. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

P 32 10 573.8 · 03/23/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

03/11/1986

RPI 803

Publicação do pedido de patente

#3.1

11/29/1983

RPI 684

Pedido de patente depositado

#2.1

05/03/1983

RPI 654

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: C01B 17/90; C07C 139/14.

03/27/2018

RPI 2464

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