Did You Know...
...that the first rickshaw was invented in 1869 by an American Baptist minister, the Rev. E. Jonathan Scobie, to transport his invalid wife around the streets of Yokohama?
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| Number | Title | Issue Date |
| 3933531 | Method of rust-preventing for copper and copper alloy Copper and copper alloys are prevented from rust by surface-treating the copper and copper alloys with at least one compound selected from the class consisting of alkylimidazoles represented by the following formula: ##SPC1## Wherein R is a long straight ... | 01/20/1976 |
| 3931447 | Fused silicide coatings containing discrete particles for protecting niobium alloys Fused silicide coatings for protecting niobium alloy substrates are modified by providing dispersed nucleation sites in the form of discrete particles in the coating. The discrete particles have a thermal expansion coefficient lower than that of the fused... | 01/06/1976 |
| 3931446 | Process for producing polymeric piezoelectric elements and the article formed thereby A highly piezoelectric polyvinylidene fluoride element is prepared by treating a polyvinylidene fluoride film having an infrared absorbance ratio D.sub.530 /D.sub.510 of not more than 1.2, namely having a major proportion of .beta.-type crystal structure,... | 01/06/1976 |
| 3931419 | Coating with arylene sulfide polymer cured with the aid of certain compounds Certain compounds are incorporated into arylene sulfide polymer. The resulting composition is precured to give a polymer of improved processability and/or applied to a substrate and cured to give a coating having improved characteristics. Said compounds a... | 01/06/1976 |
