PT91800A - Processo para a producao de lentes de contacto de plimero de siloxano-uretano de ligacao cruzada - Google Patents
Processo para a producao de lentes de contacto de plimero de siloxano-uretano de ligacao cruzadaInfo
- Publication number
- PT91800A PT91800A PT9180089A PT9180089A PT91800A PT 91800 A PT91800 A PT 91800A PT 9180089 A PT9180089 A PT 9180089A PT 9180089 A PT9180089 A PT 9180089A PT 91800 A PT91800 A PT 91800A
- Authority
- PT
- Portugal
- Prior art keywords
- isocyanate
- poly
- cross
- contact lenses
- preparation
- Prior art date
Links
Landscapes
- Polyurethanes Or Polyureas (AREA)
- Eyeglasses (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US25000088A | 1988-09-28 | 1988-09-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
PT91800A true PT91800A (pt) | 1990-03-30 |
PT91800B PT91800B (pt) | 1995-05-31 |
Family
ID=22945893
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PT9180089A PT91800B (pt) | 1988-09-28 | 1989-09-26 | Processo para a producao de lentes de contacto de plimero de siloxano-uretano de ligacao cruzada |
Country Status (1)
Country | Link |
---|---|
PT (1) | PT91800B (pt) |
-
1989
- 1989-09-26 PT PT9180089A patent/PT91800B/pt not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
PT91800B (pt) | 1995-05-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG3A | Patent granted, date of granting |
Effective date: 19941121 |
|
PC3A | Transfer or assignment |
Free format text: 970605 NOVARTIS AG CH |
|
MM3A | Annulment or lapse |
Free format text: LAPSE DUE TO NON-PAYMENT OF FEES Effective date: 19990531 |