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Official data from INPI

PROCESSO PARA APASSIVAÇÃO DE SUPERFÍCIES INTERNAS DE REATOR ANTES DO INÍCIO OU APÓS O TÉRMINO DE UM PROCESSO DE POLIMERIZAÇÃO DE ETILENO

ArquivadaInvention Patent

Application data

Number

PI9505806

Type

Invention Patent

Filing

12/13/1995

Publication

01/06/1998

Progress at the INPI

  1. Filing12/13/95
  2. Publication01/06/98
  3. Examination
  4. Allowance07/03/01
  5. Abandoned
  6. In force

The application was allowed on 07/03/2001 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

Talk to a specialist

Latest action published by the INPI: 05/07/2002. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Union Carbide Chemicals & Plastics Technology Corporation

US

Union Carbide Chemicals & Plastics Technology Corporation

US

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Inventors

F. H. (pessoa física)

US

K. C. (pessoa física)

US

Technical data

Priority claims

US

08/359.513 · 12/20/1994

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 38 §2° da LPI

#11.4

05/07/2002

RPI 1635

Republicação - classificação IPC

#15.11

Alterada a Classificação para Int.Cl.6 C08F 210/16, C08F 10/00 e C08F 2/34.

07/03/2001

RPI 1591

Deferimento

#9.1

07/03/2001

RPI 1591

Publicação do pedido de patente

#3.1

01/06/1998

RPI 1411

Pedido de patente depositado

#2.1

01/09/1996

RPI 1310

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