CAS: 19694-02-1; 1-Pyrenecarboxylic Acid

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CAS号3264-21-9 1-乙酰基芘 | CAS号3029-19-4 1-芘甲醛 | CAS号129-00-0 芘 | CAS号124-38-9 二氧化碳 | CAS号141-82-2 丙二酸 | CAS号4107-64-6 pyrene-1-carbon... | CAS号1714-29-0 1-溴芘 | CAS号591-51-5 苯基锂 | CAS号64-19-7 冰醋酸 | CAS号74391-90-5 1-pyrenyl-Lithium | CAS号129-00-0 芘 | CAS号124-38-9 二氧化碳 | CAS号16331-58-1 pyrene-1-carbon... | CAS号500783-43-7 N-prop-2-ynylpy...

专利信息

专利号:US-9505618-B2
优先权日:2013-11-27
标 题:Synthesis and characterization of lead selenide capped with a benzoate ligand
发明人：SANTIAGO BERRÃ?OS MITK'EL B; RODRÃ?GUEZ RODRÃ?GUEZ WEYSHLA A
权利人:SANTIAGO BERRÃ?OS MITK'EL B; RODRÃ?GUEZ RODRÃ?GUEZ WEYSHLA A; ANA G MÉNDEZ UNIV SYSTEM
摘要:Semiconductor materials offer several potential benefits as active elements in the development of harvesting-energy conversion technologies. In particular, lead selenide (PbSe) semiconductors have been used and proposed to design solar energy harvesting devices, IR sensors, FET devices, amongst others. The present disclosure provides a simple, low cost synthesis of lead selenide using benzoic acid as the capping ligand in an opened environment. The use of an aromatic ligand, and mores specifically benzoic acid, provides robustness and more durability to the lead selenide, and therefore prevents the lead selenide from breaking or cracking easily. Also the aromatic ligand prevents the degradation and oxidation of the lead selenide, without affecting any of the lead selenide electronic and chemical characteristics.

专利号:US-3940421-A
优先权日:1971-12-20
标题 :Intermediates for the preparation of thienobenzopyrans and thiopyranobenzopyrans
发明人：RAZDAN RAJ K; PARS HARRY G
权利人:LITTLE INC A
摘要:Novel thienobenzopyrans and thiopyranobenzopyrans represented by the formula ##SPC1## n Wherein m and n are each 0, 1, 2 or 3 and m + n is 2 or 3; R 1 is loweralkyl; R 2 is alkyl or cycloalkylloweralkyl and R 3 is hydrogen, loweralkyl, loweralkanoyl, carbamyl, N-loweralkylcarbamyl, N,N-diloweralkylcarbamyl, phosphonyl, hemisuccinate or an ester of another such acid, phosphate, dialkylaminoalkyl of the structure ##EQU1## or acid addition salt thereof, or dialkylaminoalkylanoyl of the structure ##EQU2## or acid addition salt thereof, wherein x is 1 through 6 and R 4 and R 5 are loweralkyl; the loweralkyl groups containing from 1 through 6 carbon atoms, the alkyl groups containing from 1 through 20 carbon atoms and the cycloalkyl groups containing from 3 through 8 ring carbon atoms. Novel intermediates for the synthesis of these compounds are also disclosed as well as methods for making the compounds.

专利号:US-2024215280-A1
优先权日:2022-10-31
标 题:In situ core/shell perovskite nanocrystal material, method of preparation thereof, and light emitting device comprising the same
发明人：LEE TAE-WOO; KIM JOO SUNG
权利人:SEOUL NAT UNIV R&DB FOUNDATION; PEROLED CO LTD
摘要:The present inventive concept relates to an in situ core/shell perovskite nanocrystal film formed by an in situ nanocrystal synthesis process, a method for producing the same, and a light emitting device comprising the same as a light-emitting layer. The in situ core/shell perovskite nanocrystal film formed by the in situ nanocrystal synthesis process according to the present inventive concept exhibits a strong charge confinement effect by nanocrystal formation, and can simultaneously greatly improve the luminescence efficiency and lifetime by maintaining the fast charge transport capability of polycrystalline perovskite.

专利号:US-2024318209-A1
优先权日:2023-09-14
标 题 :Genetically engineered bacterium using glucose as substrate for de novo synthesis of vanillin and application thereof

专利号:US-12274729-B2
优先权日:2022-01-03
标 题:Formulations and methods for skin care or hyaluronic acid synthesis
发明人：PAPPAS APOSTOLOS; ILNYTSKA OLGA
权利人:AMILYFE LLC
摘要:Cosmetic and pharmaceutical formulations comprising specific amino acid combinations are described herein. Such formulations strengthen and enhance skin epithelial cell barrier function, thereby reducing moisture loss from the skin and restoring skin's structural integrity, epithelial differentiation, intercellular adhesion, and intracellular signaling and/or promoting maintenance of these features. Formulations described here comprise a therapeutically effective amount of free amino acids or a peptide combination of amino acids and either a therapeutically effective amount of a plant extract for skin barrier repair or a therapeutically effective amount of a retinoid for improving skin moisture. Also provided are injectable formulations described here for treating a subject suffering from osteoarthritis or symptoms thereof. Methods for administering these formulations for cosmetic and/or therapeutic purposes and uses thereof for same are also described herein, including the use thereof in the preparation of medicaments.

专利号:US-3883551-A
优先权日:1969-08-25
标 题 :Thienobenzopyrans and thiopyranobenzopyrans
发明人：RAZDAN RAJ K; PARS HARRY G
权利人:LITTLE INC A
摘要:Novel thienobenzopyrans and thiopyranobenzopyrans represented by the formula WHEREIN M AND N ARE EACH 0, 1, 2 OR 3 AND M + N IS 2 OR 3; R1 is loweralkyl; R2 is alkyl or cycloalkylloweralkyl and R3 is hydrogen, loweralkyl, loweralkanoyl, carbamyl, N-loweralkylcarbamyl, N,N-diloweralkylcarbamyl, phosphonyl, hemisuccinate or an ester of another such acid, phosphate, dialkylaminoalkyl of the structure OR ACID ADDITION SALT THEREOF, OR DIALKYLAMINOALKANOYL OF THE STRUCTURE OR ACID ADDITION SALT THEREOF, WHEREIN X IS 1 THROUGH 6 AND R4 and R5 are loweralkyl; the loweralkyl groups containing from 1 through 6 carbon atoms, the alkyl groups containing from 1 through 20 carbon atoms and the cycloalkyl groups containing from 3 through 8 ring carbon atoms. Novel intermediates for the synthesis of these compounds are also disclosed as well as methods for making the compounds.