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7122642 Method for producing crystal polymorphs and crystal polymorphs produced thereby  
A method to prepare new or unexpected polymorphs of materials which have not been observed, or to obtain a known polymorph under different conditions than those in which it is usually made, by...
6759521 Polarization switching to control crystal form  
A method to select and prepare polymorphs of materials by switching the polarization state of light employing non-photochemical laser-induced nucleation.
6426406 Method for using laser light to control crystal form  
A method to prepare new or unexpected polymorphs of materials which have not been observed, or to obtain a known polymorph under different conditions than those in which it is usually made, by...
5104503 Photochemical dimerization of organic compounds  
At least one of selectivity and reaction rate of photosensitized vapor phase dimerizations, including dehydrodimerizations, hydrodimerizations and cross-dimerizations of saturated and unsaturated...
5035784 Degradation of organic chemicals with titanium ceramic membranes  
Complex organic molecules, such as polychlorinated biphenyls can be degraded on porous titanium ceramic membranes by photocatalysis under ultraviolet light.
4992614 Reactivation of partially deactivated catalyst employing ultrasonic energy  
A solid catalyst composition which has undergone a partial loss of catalytic activity due to the accumulation of reaction product residue is treated in a chemical conversion process reaction zone...
4874488 Photochemical dimerization and functionalization of alkanes, ethers, primary and secondary alcohols, phosphine oxides and silanes  
The space-time yield and/or the selectivity of the photochemical dimerization of alkanes, ethers, primary and secondary alcohols, phosphine oxides and primary, secondary and tertiary silanes with...
4849076 Continuous oxidation method  
A method for oxidizing a substrate which is oxidizable by singlet oxygen is discolded. The first step of the method comprises establishing a flow to and from each of a plurality of successive...
4839008 Homogeneous catalytic photochemical functionalization of alkanes by polyoxometalates  
A method for functionalizing alkanes, which comprises: (a) combining one or a mixture of alkanes with a photochemically active polyoxometalate compound to obtain a reaction medium; (b) allowing...
4749470 Residuum fluid catalytic cracking process and apparatus using microwave energy  
A fluid catalytic cracking (FCC) process and apparatus which exposes a residuum to microwave energy to activate the residuum prior to feeding to a fluid catalytic cracking riser. The process and...
4609444 Photochemical reactions for commercial synthesis  
Photochemical reactions are conducted using polymer beads arranged as a monolayer, e.g. floating on the surface of a moving body of water. The polymer bead is impregnated with a reactant, floated...
4582578 Method for the electrochemical conversion of a quadricyclane to a norbornadiene  
A method based on a cyclic single electron transfer mechanism has been developed for the electrochemical initiation and interruption of the exothermic quadricyclane to norbornadiene conversion.
4517063 Photochemical reactor and method for carrying out photochemical reactions therein  
An apparatus for carrying out a photochemical reaction incorporates a housing (11) and a lid (15), removably affixed thereto, which together define a reaction chamber (20). The lid has an axial...
4495041 Photochemical process using shape-selective photoassisted heterogenous catalyst compositions  
Highly specific catalyst compositions are provided, comprising zeolites containing a photoassisting material, which is capable of catalyzing photoassisted heterogenous catalytic reactions within...
4479859 Laser photochemical synthesis of benzene and its derivatives  
A cw CO 2 tunable laser is employed to irradiate an allyl halide selected from allyl chloride, allyl bromide, allyl fluoride, 2-methyl-3-chloropropene, and 2,3-dichloropropene and contained in one...
4466870 Organic sonochemistry process  
The method of causing or promoting chemical changes involving the step of subjecting reactants to ultrasonic energy as a key treatment step, including methods of: (1) reducing aryl halides by...
4456512 Photochemical reactor and method  
Photochemical reactions are carried out by passing the fluid to be irradiated through a plurality of capillaries, each of which is surrounded by an actinic-radiation emitting plasma; the...
4452678 Process and apparatus for the photochemical production of halogeno-alkanes and cycloalkanes  
Halogenation of alkanes and of cycloalkanes by the action of ultraviolet upon a solution of the halogen in the alkane; the solution is prepared in advance and passes into the irradiated zone, after...
4424805 Solar energy system and method of use  
This invention relates to a solar energy system wherein chemical A is converted into chemical B in the presence of a photo-sensitizer with the absorption of considerable heat, which heat can be...
4394858 Photochemical conversion and storage of light energy by endoergic isomerizations  
A process is provided for the capture and storage of radiant energy in highly strained carbon containing ring structures of isomerizable compounds. The process includes exposing a photocatalyst...
4338173 Catalytic isomerization process using photo-induced deligandation  
A process is provided for inducing a catalytic isomerization reaction. The process involves exposing to optical radiation a gaseous mixture including a reactant unsaturated hydrocarbon and a...
4152230 Photooxidation process  
A photochemically initiated oxidation process for organic materials using only catalytic quantities of the photochemical agent by conducting the reaction in the presence of a compound of a variable...
4089764 Process for preparation of β-bourbonene  
A process for preparing β-bourbonene which comprises irradiating internally or externally an essential oil containing germacrene D, such as ylang-ylang oil, cananga oil, the essential oil of...
4012305 Production of 1-methyl-3-phenylindans  
A process for the production of 1-methyl-3-phenylindans by dimerization of styrenes in the presence of catalysts and of organic compounds which absorb light of from 2000 to 8000 A and which are...
3878074 Vinylation of aromatic compounds  
Aromatic compounds are vinylated by reaction with an ethylenic compound in the presence of certain metallic compounds and an organic solvent, the mixture being photocatalyzed by exposure to the...
3849274 PROCESS FOR COUPLING ORGANIC MOLECULES  
A process for coupling organic molecules involving the step of irradiating an organic compound with ultraviolet light in the presence of hexachlorobenzene, hexabromobenzene or hexaiodobenzene under...
3833491 PRODUCTION OF MACROCYCLIC COMPOUNDS  
Cyclic ketone di- and triperoxides are converted at temperatures of from about 20°C. to 300°C. by the use of ultrasonic energy to macrocyclic hydrocarbons and macrocyclic lactones.
3719571 PHOTODECOMPOSITION OF DIHYDRO-AROMATIC AND SIMILAR ANHYDRIDES  
A system for storage and retrieval of information comprising the use of non-fluorescent material capable of conversion to a fluorescent material under light of a particular wavelength, or heat,...
3626015 NOVEL PHOTOCHEMICAL REACTIONS OF TRANS-α-SANTALATE AND NOVEL COMPOUNDS RESULTING THEREFROM  
Ultraviolet irradiation of ethyl trans-α-santalate to obtain, initially, (1) ethyl trans-α-santalate and ethyl cis-α-santalate and, on further irradiation, to obtain the novel compounds, (2)...
3528898 PROCESS FOR THE PREPARATION OF MACROCYCLIC COMPOUNDS BY PHOTOLYTIC DECOMPOSITION OF CYCLIC KETONE PEROXIDES  
3507761 NOVEL PHOTOCHEMICAL REACTIONS OF 2-CARENE COMPOUNDS AND NOVEL BICYCYLIC PRODUCTS RESULTING THEREFROM  
3483102 PHOTOSENSITIZED CYCLOADDING PROCESS  
3480533 PREPARATION OF SUBSTITUTED AROMATIC COMPOUNDS  
3453197 CYCLOBUTANE DERIVATIVES  
3445357 PROCESS FOR PREPARING CYCLIC ORGANIC COMPOUNDS  
3427241 PHOTOCHEMICAL METHOD OF PREPARING BICYCLO(1.1.0)BUTANE AND CYCLOBUTENE  
3405117 alpha-chloro-di-p-xylylenes  
3391207 Alkenyl cyclobutenes  
3387047 Alkenylcyclobutenes and method of preparing same  
3384658 Process for dimerizing aryl alkanes  
3380903 Photosensitization method of cyclization of myrcene  
3377399 Exo and endo 7-vinyl-bicyclo (3.2.0)-heptene-2  
3360449 Actinic light activated catalytic dehydrogenation of unsaturated hydrocarbons  
3350291 Method of preparing strained polycyclic hydrocarbons  
3350290 Photochemical production of cyclopropane  
3331854 Novel furan and thiophene compounds  
3305465 Photochemical process for the production of cyclobutadiindene  
3301774 Conducting chemical reactions by means of high energy ionizing radiation  
3288869 Process for the preparation of tricyclo-[3. 3. 2. 04, 6] deca-2, 7, 9-triene  
3271121 Ethylene-styrene copolymer as pour point depressant  
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