prov:value
| - These include, for instance, cured, solid silicone resins derived from trifunctional silanes such as those disclosed in U.S. Pat. Nos. 3,395,117, 3,388,114 and 3,389,121 for example; and other solid plastics and resins such as polycarbonates, polystyrene, ethylcellulose and nitrocellulose.
|