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Magician Harry Houdini patented a "Diver's Suit" enabling the wearer to "quickly divest himself of the suit while being submerged and to safely escape and reach the surface of the water."
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| Number | Title | Issue Date |
| 4008178 | Alkylation catalyst for production of motor fuels A liquid phase alkylation process for production of alkylate useful as motor fuel, wherein low molecular weight isoparaffin hydrocarbons are alkylated with olefin hydrocarbons in the presence of a catalyst comprising HFSO3 and H2 SO | 02/15/1977 |
| 4005048 | Treating hydrocarbons Hydrocarbon catalytic reactions (including isomerization, cyclization, aromatization, disproportionation, alkylation, de-alkylation, reforming, hydrcracking) are effected over a catalyst comprising a crystalline solid solution of two or more irreducible c... | 01/25/1977 |
| 3966640 | Supported cobalt sulfate desulfurization catalyst A catalyst is provided which is useful in the direct single-step conversion of sulfur oxides to element sulfur. The catalyst comprises cobalt sulfate as an essential catalytic ingredient supported on an attrition resistant and decrepitation-resistant cata... | 06/29/1976 |
| 3959400 | Olefin dimerization A process is provided for dimerization of light olefins comprising from 2 to 4 carbon atoms which comprises contacting same at a weight hourly space velocity of from about 0.1 to about 10, a temperature of from about 32°F to about 350°F and a pressure o... | 05/25/1976 |
| 3932542 | Process for preparation of 2,5-dibromo-p-xylene Selective bromination process for 2,5-dibromo-p-xylene which comprises bromination of p-xylene using approximately stoichiometric amounts of bromine and a hydrated iron containing bromination catalyst to give selectively high yields of substantially pure ... | 01/13/1976 |
