专利号:US-4678613-A 优先权日:1981-12-09 标题:Process for the purification of triphenylmethane compounds 发明人:FLORES ROBERT J 权利人:PMC SPECIALTIES GROUP INC 摘要:Triphenylmethane dyes are obtained in a purified or more concentrated condition which eliminates the excess aromatic amines and by-products obtained during the synthesis of the triphenylmethane dyes. These purified triphenylmethane dyes show special utility when used in combination with an electron acceptor (Lewis acid) to produce carbonless copy paper or when used as reactants in the manufacture of other dyes.
专利号:US-4448446-A 优先权日:1981-12-09 标题:Process for the purification of triphenylmethane compounds and pressure sensitive copysheet containing same 发明人:FLORES ROBERT J 权利人:SHERWIN WILLIAMS CO 摘要:Triphenylmethane dyes are obtained in a purified or more concentrated condition which eliminates the excess aromatic amines and by-products obtained during the synthesis of the triphenylmethane dyes. These purified triphenylmethane dyes show special utility when used in combination with an electron acceptor (Lewis acid) to produce carbonless copy paper or when used as reactants in the manufacture of other dyes.
专利号:DE-102005032795-A1 优先权日:2005-07-14 标 题 :Synthesis of porous manganese oxides
专利号:US-2017174826-A1 优先权日:2014-07-16 标 题 :Donor-acceptor polymers 发明人:YE QUN; CHO CHING MUI; NEO WEI TENG; XU JIANWEI 权利人:AGENCY SCIENCE TECH & RES 摘要:The present invention relates to compounds that are electron-deficient acceptors, donor-acceptor polymers that are synthesized from such electron-deficient acceptors, semiconductor devices synthesized from such donor-acceptor polymers and methods of synthesis of such electron-deficient acceptors, donor-acceptor polymers and semiconductor devices.
专利号:WO-2007006585-A2 优先权日:2005-07-14 标 题:Synthesis of a porous and/or stratified structure manganese oxide
专利号:EP-0208599-B1 优先权日:1985-06-27 标题:Supports, their preparation and intermediates obtained, their use in the synthesis of oligonucleosides and the nucleosides so obtained, and oligonucleotides linked to the supports