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Official data from INPI

COMPOSIÇÃO; POLÍMEROS E COPOLÍMEROS FORMADOS A PARTIR DA MESMA

PublicadaInvention Patent

Application data

Number

PI8804058

Type

Invention Patent

Filing

08/11/1988

Publication

03/07/1989

Progress at the INPI

  1. Filing08/11/88
  2. Publication03/07/89
  3. Examination06/11/91
  4. Allowance
  5. Grant
  6. In force

Published on 03/07/1989, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.

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Latest action published by the INPI: 03/07/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Bausch & Lomb Incorporated

US

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Inventors

J. K. (pessoa física)

V. P. (pessoa física)

Technical data

Priority claims

US

84.538 · 08/12/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

03/07/1989

RPI 959

Pedido de patente depositado

#2.1

01/03/1989

RPI 950

Retificação

#15.3

02/16/1994

RPI 1211

Solicitação de exame técnico

#4.1

06/11/1991

RPI 1071

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