Patent information:
| Patent: | Utility 1,886,280 |
| Patented: | November 1, 1932 |
| Applied: | April 13, 1926 |
| Title: | Ultra Violet Ray Transmitting Glass and to a Batch and Method for Making the Same |
| Description: | Boro-silicate glass, method to make glass to transmit UV light |
| Category: | Boron |
| Assigned to: | Corning Glass Works |
Patentee Information:
Class and subclass information:
| Class: | 501 | COMPOSITIONS: CERAMIC |
| Subclass: | 66 | CERAMIC COMPOSITIONS; Glass compositions, compositions containing glass other than those wherein glass is a bonding agent, or glass batch forming compositions; Silica containing; 40 percent - 90 percent by weight silica; And boron; And aluminum; |
| Class: | 65 | GLASS MANUFACTURING |
| Subclass: | 157 | MEANS PROVIDING SPECIAL ATMOSPHERE; |
| Class: | 501 | COMPOSITIONS: CERAMIC |
| Subclass: | 70 | CERAMIC COMPOSITIONS; Glass compositions, compositions containing glass other than those wherein glass is a bonding agent, or glass batch forming compositions; Silica containing; 40 percent - 90 percent by weight silica; And aluminum or iron compound; And divalent metal oxide (e.g., oxides of zinc, cadmium, beryllium, alkaline earth metal, magnesium, etc.); Calcium oxide containing; |
| Class: | 501 | COMPOSITIONS: CERAMIC |
| Subclass: | 77 | CERAMIC COMPOSITIONS; Glass compositions, compositions containing glass other than those wherein glass is a bonding agent, or glass batch forming compositions; Silica containing; Less than 40 percent by weight silica; And boron; |
| Class: | 501 | COMPOSITIONS: CERAMIC |
| Subclass: | 905 | CERAMIC COMPOSITIONS; Optical glass (e.g., silent on refractive index and/or Abbe number); Ultraviolet transmitting or absorbing; |
Known specimens:
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