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CAS号90-15-3 1-萘酚 | CAS号1885-14-9 氯甲酸苯酯 | CAS号108-95-2 苯酚 | CAS号86-48-6 1-羟基-2-萘甲酸 | CAS号32180-75-9 N-[4-[2,4-双(1,1... | CAS号36268-76-5 phenyl 4-bromo-... | CAS号71835-65-9 2-Naphthaleneca... | CAS号76995-70-5 2-(2-苯并噻唑)-1-萘酚 | CAS号50729-10-7 N-(2-chlorophen... | CAS号39163-92-3 1-羟基-N-(2-十四烷氧基...海关参考信息
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专利信息
专利号:US-3772389-A
优先权日:1971-06-24
标 题:Process for the synthesis of phenyl esters
发明人:LOWRANCE W
权利人:EASTMAN KODAK CO
摘要:A PROCESS FOR THE SYNTHESIS OF PHENYL ESTERS DIRECTLY FROM THE CORRESPONDING PHENOLS AND CARBOXYLIC ACIDS WHICH COMPRISES CONTACTING A PHENOLIC COMPOUND HAVING AT LEAST ONE HYDROGEN ATOM ADJACENT THE ACTIVE HYDROXYL GROUP WITH A CARBOXYLIC ACID COMPOUND CONTAINING AT LEAST ONE ACTIVE CARBOXYLIC GROUP IN THE PRESENCE OF A CATALYTIC AMOUNT OF A BORATE-SULFURIC ACID CATALYST COMPLEX. THE PROCESS IS CARRIED OUT IN A SINGLE STAGE REACTOR WHICH MAY BE OPERATED AT FROM 75*C. TO 285*C. UNDER ATMOSPHERIC, SUBATMOSPHERIC OR SUPERATMOSPHERIC PRESSURE. IF DESIRABLE, A SOLVENT CAN BE EMPLOYED.
专利号:US-7071145-B2
优先权日:2001-09-25
标 题:Thermosensitive recording material, and synthesis method of oligomer composition for the recording material
发明人:MORITA MITSUNOBU; HAYAKAWA KUNIO; TORII MASAFUMI; NARUSE MITSURU
权利人:RICOH KK
摘要:A thermosensitive recording material comprising a thermosensitive layer provided on a substrate, and the thermosensitive layer comprises as main ingredients a leuco dye and a developer to make colored state of said leuco dye when heated, wherein the developer is an oligomer composition obtained from the reaction of a polyvalent isocyanate compound represented by following Formula (I) with an aromatic amine represented by following Formula (II); n nwhere X represents a try- or more-valent group, a represents an integer numeral of 3 or more, b and c represent respectively integer numerals in the range of 0 to 5 and they satisfy a relation of b+c=1 to 5, Z represents hydrogen atom, alkyl group, allyl group or aryl group, and the aryl group may include condensed ling structure thereof, and d represents an integer numeral in the range of 0 to 4. This developer shows excellent reliabilities of both image and background area, and also shows an excellent color-developing characteristics (color developing sensitivity and image density).
专利号:US-2003153460-A1
优先权日:2001-09-25
标 题:Thermosensitive recording material, and synthesis method of oligomer composition for the recording material
专利号:US-2005079976-A1
优先权日:2001-09-25
标题 :Thermosensitive recording material, and synthesis method of oligomer composition for the recording material
专利号:US-2004242414-A1
优先权日:2001-09-25
标题:Thermosensitive recording material, and synthesis method of oligomer compositon for the recording material
专利号:US-6878671-B2
优先权日:2001-09-25
标题 :Thermosensitive recording material, and synthesis method of oligomer composition for the recording material