Did You Know...
...that the Band-Aid Bandage was invented by a Johnson & Johnson employee whose wife had cut herself? Earl Dickson's wife was rather accident prone, so he set out to develop a bandage that she could apply without help. He placed a small piece of gauze in the center of a small piece of surgical tape, and what we know today as the Band Aid bandage was born!
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| Number | Title | Issue Date |
| 7211172 | Method of photochemical synthesis of vitamin Ds An enhanced photochemical method of making vitamin D includes irradiating a reaction mixture of precursor molecules with light having a wavelength of 254 nm and with light having a wavelength of 313 nm to produce previtamin D, and is followed by heating at a tempera... | 05/01/2007 |
| 6902654 | Ultraviolet irradiation apparatus for photochemical reaction and preparation process of vitamin D derivative making use of the same A process for preparing a vitamin D derivative including providing an ultraviolet irradiation apparatus for photochemical reactions, which has an ultraviolet radiation-emitting lamp, an optical system which receives light from the ultraviolet radiation-emitting lamp... | 06/07/2005 |
| 6660132 | Photochemical and thermochemical solar syntheses using flat-bed solar collectors/solar reactors The invention relates to a method for carrying out photochemical and thermochemical solar syntheses by means of flat-bed solar light collectors without devices for focusing the sunlight. The method is particularly well suited for producing flavors, aromas... | 12/09/2003 |
| 6444098 | Process for the preparation of tocol acylates and tocopherol acylates The present invention relates to a process for preparing tocol acylate or tocopherol acylate having the following steps: a) combining tocol or tocopherol with an acylating agent to form a reaction mixture; b) irradiating the reaction mixture with microwave ene... | 09/03/2002 |
| 6180805 | Photochemical process for the production of previtamin D3 A photochemical process for the production of previtamin D3 or a derivative thereof from 7-dehydrocholesterol is disclosed. The process includes irradiating the 7-dehydrocholesterol in a reactor with a UV radiation source, wherein the UV source... | 01/30/2001 |
| 6045664 | Process for the photochemical sulphochlorination of gaseous alkanes For manufacturing an alkanesulphonyl chloride by photochemical reaction of an alkane with chlorine and sulphur dioxide, the light source used is a gallium-doped medium-pressure mercury lamp.... | 04/04/2000 |
| 5543016 | Photoconversion of steroids in microreactors The photoconversion of steroids is carried out in microreactors to yield desired products, while limiting the formation of undesirable byproducts. The steroid reactant is combined with a microreactor such as solid particles having controlled spaces of app... | 08/06/1996 |
| 5436401 | 22-oxacholecalciferol derivative and process for preparing the same A 22-oxacholecalciferol derivative represented by formula (I): ##STR1## wherein R1 represents a hydrogen atom or a hydroxyl group; and R2 and R3, which may be the same or different, each represent a lower alkyl group ... | 07/25/1995 |
| 5424465 | Preparation of 13-(Z)-retinoic acid 13-(Z)-Retinoic acid is prepared by a) reacting 5-hydroxy-4-methyl-2(5H)-furanone with a [3-methyl-5-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2,4-pentadienyl]triarylpho sphonium salt and b) subsequently partially isomerizing the resulting mixture of 13-(Z)- and ... | 06/13/1995 |
| 5338418 | Process for production of hydroxocobalamin A process for the production of hydroxocobalamin that eliminates cyanocobalamin as an intermediate. Co-enzyme-type vitamin B12 is first absorbed to a divinylbenzene/styrene resin which is washed with warm water and then eluted with a solution c... | 08/16/1994 |
| 5252191 | Method for the photochemical isomerization of organic compounds under the influence of a photosensitizer The invention relates to a method for the photochemical isomerization of organic compounds, in particular for the photochemical conversion of tachysterol compounds into previtamin D compounds and of trans-vitamin D compounds into cis-vitamin D compounds, ... | 10/12/1993 |
| 5035783 | Method for the photochemical conversion of tachysterol compounds into previtamin D compounds and of trans-vitamin D compounds into cis-vitamin D compounds The invention relates to a method for the photochemical conversion of tachysterol compounds into previtamin D compounds and of trans-vitamin D compounds into cis-vitamin D compounds under the influence of radiation, by exposing the tachysterol compound an... | 07/30/1991 |
| 5021452 | Process for enhancing wound healing There is disclosed a process for improving wound healing, comprising administering ascorbate or derivatives thereof to a wound site at a concentration of at least 20 μmol/L and irradiating the wound site with a low-power laser at a wave length of about 6... | 06/04/1991 |
| 4937292 | Photosensitizer Photochemical conversion of tachysterols to previtamins is conducted in the presence of a polymeric photosensitizer which has the appropriate chromophore groups, e.g. anthracene groups, attached to a medium or high molecular weight, substantially uncrossl... | 06/26/1990 |
| 4835258 | Conjugation of aromatic amines or nitro-containing compounds with proteins or polypeptides by photoirradiation of the azide derivatives with ultraviolet light in order to produce antibodies against the haptens A method of linking primary aromatic amine- or nitro-compounds to carrier proteins by photochemical reactions in order to produce antibodies against the haptens.... | 05/30/1989 |
| 4686023 | Sensitized photochemical preparation of vitamin D Tachysterol-2 or tachysterol-3 is photochemically converted in high yield to previtamin D2 or previtamin D3 respectively, by irradiation in the presence of anthracene as photosensitizer. The wavelength of irradiation is suitably abou... | 08/11/1987 |
| 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 on the water or otherwise exposed as a monolayer in direct ... | 09/02/1986 |
| 4551214 | Photochemical preparation of previtamin D Compounds of the formula ##STR1## wherein R1 -R4 is hydrogen or chlorine, R5 is --COOMe or --SO3 Me, Me is an alkali metal cation and X is oxygen, sulfur or selenium, photosensitizers for the conversion of ... | 11/05/1985 |
| 4525255 | Photochemical reactions for commercial synthesis Photochemical reactions are conducted using floating polymer beads on the surface of a moving body of water. The polymer bead is impregnated with a reactant, floated on the water in direct sunlight so as to expose the reactant to solar radiation, collecte... | 06/25/1985 |
| 4517125 | Novel vitamin D3 derivatives and process for producing the same There are disclosed 6,19-epidioxyvitamin D3 derivatives which are represented by the formula ##STR1## wherein R1, R2 and R3 are each a hydrogen atom or a hydroxyl group; when R1 is a hydrogen ato... | 05/14/1985 |
| 4490226 | Efficient photochemical formation of 1--hydroxyprevitamin D3 An improved method is set out for converting a reactant having a reactant core portion, 5,7-androstadiene-1,3ଲ-diol, into a product having a product core portion, 9,10-seco-5(10),6,8-androstatriene-1,3ଲ-diol. The core portio... | 12/25/1984 |
| 4265822 | Process for preparing 1-hydroxylated vitamin D compounds from 5,6-trans-vitamin D compounds A method for preparing 1-hydroxylated vitamin D compounds from 5,6-trans-vitamin D compounds which comprises allylically oxidizing a 5,6-trans-vitamin D compound, subjecting the oxidation product to actinic radiation in the presence of a photosensi... | 05/05/1981 |
| 4026778 | Photochemical isomerization of vitamin A compounds A novel procedure for photochemical isomerization of vitamin A compounds or derivatives thereof in the absence of sensitizers is disclosed.... | 05/31/1977 |
| 4001096 | Process for preparing 25-hydroxycholecalciferol intermediates A method for preparing 9ଲ, 10-cholesta-5,7-diene-3ଲ,25 diol and 25-hydroxyprevitamin D3 by irradiation.... | 01/04/1977 |
