Did You Know...
...that in the early 1940s GE engineer James Wright was charged with a task of utmost importance to the war effort: develop a cheap substitute for rubber that could be used to produce tires, gas masks and a whole host of military gear. Wright tackled the task diligently -- and wound up inventing Silly Putty.
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| Number | Title | Issue Date |
| 3957519 | Acid and heat-resistant mortars for cellular glass compositions and products therefrom Acid-resistant mortar compositions and selected products bonded therewith are provided wherein the mortar composition comprises a major portion of a cellular boro silicate glass powder, a silica sol, and a setting or hardening agent. Mortars of the invent... | 05/18/1976 |
| 3954525 | Hot-pressed solid diffusion sources for phosphorus Solid diffusion sources for phosphorus doping comprise from 10 to 95 percent SiP2 O7 with an inert phase of ZrP2 O7. Such materials may be hot-pressed to obtain diffusion source wafers of the appropriate dimensi... | 05/04/1976 |
| 3954479 | High-temperature and wear-resistant antifriction material having low thermal expansions A compact, self-supporting solid article of manufacture consisting essentially high temperature and wear-resistant antifriction material of low thermal expansion in the form of a heterogeneous sintered article of a matrix of glass or glass ceramic of low ... | 05/04/1976 |
| 3943064 | High strength alumina-silica catalyst substrates having high surface area Catalyst substrates characterized by superior structural properties and a subsequent high degree of catalytic activity are produced by using a blend of colloidal silica and specially activated alumina which blend is subsequently rehydrated and activated u... | 03/09/1976 |
| 3931039 | Composition for diffusing phosphorus A phosphorus nitride-silicon oxide composition having good thermal stability and diffusion characteristics for use as a diffusant source of n-type impurities for a semi-conductor device.... | 01/06/1976 |
