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Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE PARTÍCULAS DE RESINA ABSORVENTES DE ÁGUA DE POLÍMEROS CONTENDO CARBOXILA RETICULADOS COM BAIXO TEOR DE MONÔMERO, PARTÍCULAS OBTIDAS E SEU USO

ArquivadaInvention PatentPCT · US2001048879

Application data

Number

PI0116761

Type

Invention Patent

Filing

12/18/2001

Publication

02/25/2004

PCT

US2001048879

Progress at the INPI

  1. Filing12/18/01
  2. Publication02/25/04
  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.

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Latest action published by the INPI: 05/18/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Dow Global Technologies INC.

US

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Inventors

Y. K. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

US

60/258,980 · 12/29/2000

Abstract

"PROCESSO PARA A PREPARAÇÃO DE PARTÍCULAS DE RESINA ABSORVENTES DE ÁGUA DE POLÍMEROS CONTENDO CARBOXILA RETICULADOS COM BAIXO TEOR DE MONÔMERO, PARTÍCULAS OBTIDAS E SEU USO". A presente invenção compreende polímeros superabsorventes tendo níveis reduzidos de monômero residual que são produzidos usando um sal de peroxodissulfato.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

05/18/2010

RPI 2054

Exigência - art. 36 da LPI

#6.1

10/27/2009

RPI 2025

Notificação de entrada na fase nacional - PCT

#1.3

02/25/2004

RPI 1729

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