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Official data from INPI

PROCESSO CONTÍNUO PARA PREPARAR HALOGENETOS DE ALCANO-SULFONILA, PROCESSO CONTÍNUO PARA PREPARAR UM CLORETO DE ALCANO-SULFONILA E PROCESSO CONTÍNUO PARA PREPARAR UM ÁCIDO-SULFÔNICO

PublicadaInvention Patent

Application data

Number

PI8900993

Type

Invention Patent

Filing

03/03/1989

Publication

10/24/1989

Progress at the INPI

  1. Filing03/03/89
  2. Publication10/24/89
  3. Abandoned12/03/91
  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.

Talk to a specialist

Latest action published by the INPI: 10/24/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Atochem North America, Inc.

US

P. C. (pessoa física)

US

See this company's full portfolio

Inventors

D. G. (pessoa física)

G. W. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

164,599 · 03/07/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

10/24/1989

RPI 992

Pedido de patente depositado

#2.1

04/25/1989

RPI 966

Pedido de patente depositado

#2.1

04/18/1989

RPI 965

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: C07C 147/02; C07C 143/02.

03/27/2018

RPI 2464

Arquivamento - Art. 36 §1° da LPI

#11.2

11/07/1995

RPI 1301

Exigência - art. 36 da LPI

#6.1

02/07/1995

RPI 1262

14.4

06/30/1992

RPI 1126

Solicitação de exame técnico

#4.1

12/03/1991

RPI 1096

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