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Official data from INPI

CARBONATO DE CÁLCIO PRECIPITADO NA FORMA DE AGLOMERADOS DE PARTÍCULAS DE CALCITA, PROCESSO PARA A PREPARAÇÃO DO MESMO E PAPEL DE ALTA OPACIDADE, DE ALTA RESISTÊNCIA

ArquivadaInvention PatentPCT · US1993002372

Application data

Number

PI9306159

Type

Invention Patent

Filing

03/12/1993

Publication

01/13/1998

PCT

US1993002372

Progress at the INPI

  1. Filing03/12/93
  2. Publication01/13/98
  3. Abandoned
  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: 02/01/2000. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Minerals Technologies, Inc.

US

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Inventors

G. F. (pessoa física)

US

V. K. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

07/863,276 · 04/03/1992

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

02/01/2000

RPI 1517

Exigência - art. 36 da LPI

#6.1

03/30/1999

RPI 1473

Notificação de entrada na fase nacional - PCT

#1.3

01/13/1998

RPI 1412

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