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Class Information
Number: 501/34
Name: Compositions: ceramic > Ceramic compositions > Glass compositions, compositions containing glass other than those wherein glass is a bonding agent, or glass batch forming compositions > Beads > Reflective
Description: Beads or glass compositions for forming beads which are intended for use as reflective elements.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7585799 |
Microspheres having a high index of refraction |
Sep. 8, 2009 |
| 7579293 |
Pavement marking, reflective elements, and methods of making microspheres |
Aug. 25, 2009 |
| 7524779 |
Microspheres having a high index of refraction |
Apr. 28, 2009 |
| 7513941 |
Pavement marking, reflective elements, and methods of making micospheres |
Apr. 7, 2009 |
| 7312168 |
Glass beads and uses thereof |
Dec. 25, 2007 |
| 7045475 |
High refractive index glass beads for high retroreflectivity surfaces |
May. 16, 2006 |
| 6800574 |
Glass beads and uses thereof |
Oct. 5, 2004 |
| 6695908 |
Method of producing aggregate products using glass |
Feb. 24, 2004 |
| RE38245 |
Glass microspheres for use in films and projection screen displays and methods |
Sep. 9, 2003 |
| 6514892 |
Transparent beads and their production method |
Feb. 4, 2003 |
| 6479417 |
Glass-ceramic microspheres that impart yellow color to retroreflected light |
Nov. 12, 2002 |
| 6461988 |
Transparent microspheres |
Oct. 8, 2002 |
| 6245700 |
Transparent microspheres |
Jun. 12, 2001 |
| 6204971 |
Glass microspheres for use in films and projection screen displays and methods |
Mar. 20, 2001 |
| 5716706 |
Acid-resistant glass |
Feb. 10, 1998 |
| 5674616 |
Glass beads having improved fracture toughness |
Oct. 7, 1997 |
| 5516227 |
Spherodized fluorescent beads for improved roadway pavement marker visibility |
May. 14, 1996 |
| 5500287 |
Thermal insulating material and method of manufacturing same |
Mar. 19, 1996 |
| 5286682 |
Yellow retroreflective pavement markings |
Feb. 15, 1994 |
| 4988555 |
Patterned pavement marking |
Jan. 29, 1991 |
| 4931414 |
Thermal extractive gelation process |
Jun. 5, 1990 |
| 4772511 |
Transparent non-vitreous zirconia microspheres |
Sep. 20, 1988 |
| 4758469 |
Pavement markings containing transparent non-vitreous ceramic microspheres |
Jul. 19, 1988 |
| 4618525 |
Coated glass microbubbles and article incorporating them |
Oct. 21, 1986 |
| 4367919 |
Durable glass elements |
Jan. 11, 1983 |
| 4332354 |
Process for preparing transparent iron oxide pigment dispersions |
Jun. 1, 1982 |
| 4192576 |
Ultra-high-index glass microspheres and products made therefrom |
Mar. 11, 1980 |
| 4082427 |
High refractive index glass compositions |
Apr. 4, 1978 |
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