IP Library Granted Patent US 8,105,378
Granted Patent B2
US 8,105,378 · App. 12/243,005 · Granted Jan 31, 2012

Ophthalmic and otorhinolaryngological device materials containing an alkyl ethoxylate

View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 8,105,378
App. No.
12/243,005
Granted
Jan 31, 2012
Kind
B2
Abstract

Disclosed are soft, high refractive index, acrylic device materials. The materials contain a functionalized alkyl ethoxylate to reduce glistenings.

Claims (51)

1. A copolymeric ophthalmic or otorhinolaryngological device material formed by polymerizing a composition comprising

a) 75 to 97% (w/w) of a monofunctional acrylate or methacrylate monomer of formula [1]:

wherein

B═O(CH 2 ) n , NH(CH 2 ) n , or NCH 3 (CH 2 ) n ;

R 1 ═H, CH 3 , CH 2 CH 3 , or CH 2 OH;

n=0-12;

A=C 6 H 5 or O(CH 2 ) m C 6 H 5 , where the C 6 H 5 group is optionally substituted with —(CH 2 ) n H, —O(CH 2 ) n H, —CH(CH 3 ) 2 , —C 6 H 5 , —OC 6 H 5 , —CH 2 C 6 H 5 , F, Cl, Br, or I; and

m=0-22;

b) a difunctional acrylate or methacrylate cross-linking monomer of formula [2]:

wherein

R 2 , R 3 independently=H, CH 3 , CH 2 CH 3 , or CH 2 OH;

W, W′ independently=O(CH 2 ) d , NH(CH 2 ) d , NCH 3 (CH 2 ) d , O(CH 2 ) d C 6 H 4 , O(CH 2 CH 2 O) d CH 2 , O(CH 2 CH 2 CH 2 O) d CH 2 , O(CH 2 CH 2 CH 2 CH 2 O) d CH 2 , or nothing;

J=(CH 2 ) a , O(CH 2 CH 2 O) b , O, or nothing, provided that if W and W′=nothing, then J≠nothing;

d=0-12;

a=1-12; and

b=1-24;

and

c) 1 to 20% (w/w) of an alkyl ethoxylate monomer of formula [3]:

wherein:

n=12, 13, or 14;

e=1-100;

R 4 ═H, CH 3 , CH 2 CH 3 , CH 2 OH; and

2. The device material of claim 1 wherein for monomer [1]:

B═O(CH 2 ) n ;

R 1 ═H or CH 3 ;

n=1-4; and

A═C 6 H 5 .

3. The device material of claim 1 wherein for monomer [2]:

R 2 , R 3 independently=H or CH 3 ;

W, W′ independently=O(CH 2 ) d , O(CH 2 ) d C 6 H 4 , or nothing;

J═O(CH 2 CH 2 O) b or nothing, provided that if W and W′=nothing, then J≠nothing;

d=0-6; and

b=1-10.

4. The device material of claim 1 wherein for monomer [3]:

n=12, 13, or 14;

e=8-50;

R 4 ═H or CH 3 .

5. The device material of claim 4 wherein for monomer [3]:

n=13;

e=15-40;

R 4 ═H or CH 3 .

6. The device material of claim 1 wherein monomer [1] is selected from the group consisting of benzyl methacrylate; 2-phenylethyl methacrylate; 3-phenylpropyl methacrylate; 4-phenylbutyl methacrylate; 5-phenylpentyl methacrylate; 2-phenoxyethyl methacrylate; 2-(2-phenoxyethoxy)ethyl methacrylate; 2-benzyloxyethyl methacrylate; 2-(2-(benzyloxy)ethoxy)ethyl methacrylate; 3-benzyloxypropyl methacrylate; benzyl acrylate; 2-phenylethyl acrylate; 3-phenylpropyl acrylate; 4-phenylbutyl acrylate; 5-phenylpentyl acrylate; 2-phenoxyethyl acrylate; 2-(2-phenoxyethoxy)ethyl acrylate; 2-benzyloxyethyl acrylate; 2-(2-(benzyloxy)ethoxy)ethyl acrylate; and 3-benzyloxypropyl acrylate.

7. The device material of claim 1 wherein monomer [2] is selected from the group consisting of ethylene glycol dimethacrylate; diethylene glycol dimethacrylate; triethylene glycol dimethacrylate; 1,6-hexanediol dimethacrylate; 1,4-butanediol dimethacrylate; 1,4-benzenedimethanol dimethacrylate; ethylene glycol diacrylate; diethylene glycol diacrylate; triethylene glycol diacrylate; 1,6-hexanediol diacrylate; 1,4-butanediol diacrylate; and 1,4-benzenedimethanol diacrylate.

8. The device material of claim 1 wherein the amount of monomer [1] is 80 to 95% (w/w).

9. The device material of claim 1 wherein the amount of monomer [2] is 0.5 to 3% (w/w).

10. The device material of claim 1 wherein the amount of monomer [3] is 1 to 15% (w/w).

11. The device material of claim 10 wherein the amount of monomer [3] is 1 to 10% (w/w).

12. The device material of claim 1 further comprising an ingredient selected from the group consisting of a polymerizable UV absorber and a polymerizable colorant.

13. The device material of claim 12 comprising 0.1-5% (w/w) of a polymerizable UV absorber and 0.01-0.5% (w/w) of a polymerizable colorant.

14. An ophthalmic or otorhinolaryngological device comprising the device material of claim 1 wherein the ophthalmic or otorhinolaryngological device is selected from the group consisting of intraocular lenses; contact lenses; keratoprostheses; corneal inlays or rings; otological ventilation tubes; and nasal implants.

15. The ophthalmic or otorhinolaryngological device of claim 14 wherein the ophthalmic or otorhinolaryngological device is an intraocular lens.

Assignments (3)
CONFIRMATORY DEED OF ASSIGNMENT EFFECTIVE APRIL 8, 2019 Recorded Dec 10, 2019
From: NOVARTIS AG
To: ALCON INC.
Reel/Frame 051454/0788 →
MERGER Recorded May 31, 2011
From: ALCON, INC.
To: NOVARTIS AG
Reel/Frame 026376/0076 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 1, 2008
From: LAREDO, WALTER R.
To: ALCON, INC.
Reel/Frame 021613/0548 →