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Official data from INPI

SUSPENSÃO AQUOSA DE LAMELAS DE VERMICULITA, PROCESSO PARA A PRODUÇÃO DE PRODUTOS SÓLIDOS DE VERMICULITA E COMPOSIÇÃO EM PÓ SECO PARA FAZER PRODUTOS DE VERMICULITA

ArquivadaInvention Patent

Application data

Number

PI8301012

Type

Invention Patent

Filing

03/02/1983

Publication

12/13/1983

Progress at the INPI

  1. Filing03/02/83
  2. Publication12/13/83
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 03/02/1983 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: 03/25/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Imperial Chemical Industries Plc.

GB

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Inventors

H. J. (pessoa física)

Technical data

IPC Classification

Priority claims

GB

8206238 · 03/03/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

03/25/1986

RPI 805

Publicação do pedido de patente

#3.1

12/13/1983

RPI 686

Pedido de patente depositado

#2.1

04/12/1983

RPI 651

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: C03C 25/02; C08K 3/34; C09C 3/10.

03/27/2018

RPI 2464

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