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Official data from INPI

PROCESSO PARA A PRODUÇÀO DE ISOCIANATOS DE CLOROALQUILSULFONILA.

ArquivadaInvention Patent

Application data

Number

PI8107729

Type

Invention Patent

Filing

11/27/1981

Publication

08/31/1982

Progress at the INPI

  1. Filing11/27/81
  2. Publication08/31/82
  3. Abandoned09/18/84
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

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Latest action published by the INPI: 09/17/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. A. (pessoa física)

DE

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Inventors

R. W. (pessoa física)

U. D. (pessoa física)

W. P. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

P 30 44 980.0 · 11/28/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

09/17/1985

RPI 778

Exigência - art. 36 da LPI

#6.1

04/09/1985

RPI 755

Solicitação de exame técnico

#4.1

09/18/1984

RPI 726

Publicação do pedido de patente

#3.1

08/31/1982

RPI 619

Pedido de patente depositado

#2.1

01/12/1982

RPI 586

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era C07C 161/00.

03/27/2018

RPI 2464

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