IP Library Granted Patent US 7,166,549
Granted Patent B2
US 7,166,549 · App. 10/487,186 · Granted Jan 23, 2007

Antimicrobial, anti-inflammatory, wound-healing and disinfecting glass and use thereof

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Quick Facts
Patent No.
US 7,166,549
App. No.
10/487,186
Granted
Jan 23, 2007
Kind
B2
Abstract

The invention relates to an antimicrobial, anti-inflammatory and disinfecting glass, whereby the glass comprises: 30–95 wt. % SiO 2 ,0–40 wt. % Na 2 O, 0–40 wt. % K 2 O, 0–40 wt. % Li 2 O, 0–35 wt. % CaO, 0–10 wt. % MgO, 0–10 wt. % Al 2 O 3 , 0–15 wt. % P 2 O 5 wt. % B 2 O 3?, 0–10 wt. % NaF, 0–10 wt. % LiF, 0–10 wt. % KF, 0–10 wt. % CaF 2 , 0–5 wt. % Ag 2 O, 0–10 wt. % MgF 2 ,0–2 wt. % Fe 2 O 3 and 0–10 wt. % XJ y , where X═Li, Na, K, Rb, Cs, Be, Mg, Ca, Sr, Ba, Ag or Zn and y=1 or y=2 and the sum of XJ y > is 10 ppm.

Claims (65)

1. An antimicrobial, anti-inflamatory and disinfecting glass, wherein the glass contains:

30–60 wt % SiO 2

2–40 wt % Na 2 O

0–40 wt % K 2 O

0–40 wt % Li 2 O

5–40 wt % CaO

0–10 wt % MgO

0–10 wt % Al 2 O 3

1–15 wt % P 2 O 5

0–5 wt % B 2 O 3

0–10 wt % NaF

0–10 wt % LiF

0–10 wt % KF

0–10 wt % CaF 2

0–5 wt % Ag 2 O

0–10 wt % MgF 2

0–2 wt % Fe 2 O 3

0–10 wt % XI y ,

where X is Li, Na, K, Rb, Cs, Be, Mg, Ca, Sr, Ba, Ag, Zn and y=1 or 2 and where the sum of XI y is >10 ppm.

2. The antimicrobial, anti-inflammatory and disinfecting glass, according to claim 1 , wherein the sum of Na 2 O+K 2 O+Li 2 O≧5 wt %.

3. The antimicrobial, anti-inflammatory and disinfecting glass, according to claim 1 , wherein the glass contains:

5–35 wt % Na 2 O

2–10 wt % P 2 O 5 .

4. The glass of claim 1 wherein the sum of XI y is >100 ppm.

5. The glass of claim 1 wherein the sum of XI y is >500 ppm.

6. The glass of claim 1 wherein the sum of XI y is >1 wt %.

7. The glass of claim 1 wherein the sum of XI y is >2 wt %.

8. An antimicrobial, anti-inflammatory and disinfecting glass powder wherein the glass powder consists of a glass of composition as follows:

30–60 wt % SiO 2

2–40 wt % Na 2 O

0–40 wt % K 2 O

0–40 wt % Li 2 O

5–40 wt % CaO

0–10 wt % MgO

0–10 wt % Al 2 O 3

1–15 wt % P 2 O 5

0–5 wt % B 2 O 3

0–10 wt % NaF

0–10 wt % LiF

0–10 wt % KF

0–10 wt % CaF 2

0–5 wt % Ag 2 O

0–10 wt % MgF 2

0–2 wt % Fe 2 O 3

0–10 wt % XI y ,

where X is Li, Na, K, Rb, Cs, Be, Mg, Ca, Sr, Ba, Ag, Zn and y=1 or 2 and where the sum of XI y is >10 ppm.

9. The antimicrobial, anti-inflammatory and disinfecting glass powder, according to claim 8 , wherein the glass particle size is ≦100 μm.

10. The antimicrobial, anti-inflammatory and disinfecting glass powder according to claim 8 , wherein the particle size is ≦20 μm.

11. The glass of claim 8 wherein the particle size is ≦10 μm.

12. The antimicrobial, anti-inflammatory and disinfecting glass powder according to claim 8 , wherein the glass particle size is <5 μm.

13. The antimicrobial, anti-inflammatory and disinfecting glass powder, according to claim 8 , wherein the glass particle size is <1 μm.

14. The antimicrobial, anti-inflammatory and disinfecting glass powder, according to claim 8 , as a food preserving additive and as a foodstuff supplement.

15. The antimicrobial, anti-inflammatory and disinfecting glass powder, according to claim 8 , for use in cosmetic products.

16. The antimicrobial, anti-inflammatory and disinfecting glass powder, according to claim 8 , for use in deodorant products.

17. The antimicrobial, anti-inflammatory and disinfecting glass powder, according claim 8 , for use in antiperspiration means or antiperspirants.

18. The antimicrobial, anti-inflammatory and disinfecting glass powder, according to claim 8 for use in dyes and lacquers.

19. The antimicrobial, anti-inflammatory and disinfecting glass powder, according to claim 8 for use in medicinal products and preparations.

20. The antimicrobial, anti-inflammatory and disinfecting glass powder, according to claim 8 for use in plastics and polymers.

21. The antimicrobial, anti-inflammatory and disinfecting glass powder, according to claim 8 for use in sanitary paper.

22. The antimicrobial, anti-inflammatory and disinfecting glass powder, according to claim 8 for use in purification means.

23. The antimicrobial, anti-inflammatory and disinfecting glass powder, according to claim 8 for use in the field of medicine.

24. The antimicrobial, anti-inflammatory and disinfecting glass powder according to claim 8 , for use in the care of wounds.

25. The antimicrobial, anti-inflammatory and disinfecting glass powder, according to claim 8 for use in dental medicine.

26. The antimicrobial, anti-inflammatory and disinfecting glass powder, according to claim 8 for use in the field of dental medicine as an antimicrobial and disinfecting additive in dental hygiene.

27. The antimicrobial, ant-inflammatory and disinfecting glass powder, according to claim 8 for use in the field of dental medicine as an anti-inflammatory additive for avoidance of gum bleeding.