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Official data from INPI

POLIETILENO LINEAR DE BAIXA DENSIDADE DE ULTRA BAIXA DENSIDADE

IndeferidaInvention PatentPCT · US1989001952

Application data

Number

PI8906953

Type

Invention Patent

Filing

05/04/1989

Publication

12/11/1990

PCT

US1989001952

Progress at the INPI

Under appeal
  1. Filing05/04/89
  2. Publication12/11/90
  3. Examination02/04/92
  4. Refused08/17/99
  5. Grant
  6. In force

The application was refused by the INPI on 08/17/1999. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 08/17/1999. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Dow Chemical Company

US

See this company's full portfolio

Inventors

K. D. (pessoa física)

L. H. (pessoa física)

Technical data

IPC Classification

Priority claims

US

191.295 · 05/06/1988

US

224.593 · 07/26/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

Indeferido com base nos Artigos 37, 8, 13 da LPI 9279/96.

08/17/1999

RPI 1493

Conhecimento de parecer técnico

#7.1

01/12/1999

RPI 1462

Exigência - art. 36 da LPI

#6.1

08/18/1998

RPI 1443

Solicitação de exame técnico

#4.1

02/04/1992

RPI 1105

Notificação de entrada na fase nacional - PCT

#1.3

12/11/1990

RPI 1045

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