Process for the production of 3-substituted 4-hydroxy-coumarins,申请号GB19550023383-传众专利搜索

首页产品黄页商标征信

会员服务注册登录

法人/股东/高管

发明名称	Process for the production of 3-substituted 4-hydroxy-coumarins
摘要
申请公布号	GB773468(A)	申请公布日期	1957.04.24
申请号	GB19550023383	申请日期	1955.08.15
申请人	J. R. GEIGY A.-G.	发明人
分类号	C07D311/42	主分类号	C07D311/42
代理机构		代理人
主权项
地址

您可能感兴趣的专利

DISPOSITIF PERMETTANT A UN AQUARIUM COMPOSE D'ELEMENTS DEBOITABLES, D'EVOLUER DANS SA FORME ET SON VOLUME SANS AVOIR A RETIRER NI LES POISSONS NI LE DECOR

ACTIVATION CHIMIQUE D'UN ACTIONNEUR OU D'UN MOTEUR OSMOTIQUE

DISPOSITIF ANTIVOL DE MAINTIEN EN STATIONNEMENT D'UN VEHICULE A DEUX ROUES

SEPARATEUR CENTRIFUGE ENTRAINE PAR UNE COURROIE AVEC ALERTE EN PLUSIEURS TEMPS DE DEGRADATION DE LA COURROIE.

PROCEDE DE PRODUCTION D'ENERGIE MECANIQUE A PARTIR D'ENERGIE GEOTHERMIQUE

Multi-pole circuit breaker for e.g. load protection, has preventing unit arranged between one single-pole circuit breaker spaced from switchgear and adjacent single-pole circuit breaker, where each single-pole circuit breaker has contactors

DISPOSITIF D'AMORTISSEMENT DE VIBRATIONS, AINSI QUE MOTEUR A COMBUSTION INTERNE ET VEHICULE AUTOMOBILE COMPRENANT UN TEL DISPOSITIF

PANTS TYPE DISPOSABLE DIAPER

FILAMENT DE COUPE DE COMPOSITION AMELIOREE POUR COUPE-BORDURES, DEBROUSSAILLEUSES, ETC.

DISPOSITIF D'UNE ARME DE DESTRUCTION A DISTANCE DE MATERIELS ELECTRIQUES, DE CIRCUITS ELECTRONIQUES ET DE CONFIGURATIONS INFORMATIQUES.

DISPOSITIF DE PROTECTION CONTRE LES FREINAGES INTEMPESTIFS POUR UN FREIN A ACTIONNEURS ELECTROMECANIQUES

PRODUIT LAMINE AVEC ORGANE D'IDENTIFICATION ELECTRONIQUE ET DISPOSITIF D'IDENTIFICATION ET DE SUIVI DE CES PRODUITS

Voluminous computer data e.g. digital photo, exchanging method for e.g. pocket computer, involves downloading data simultaneously in digital equipment of recipient user from digital equipments of transmitting and other recipient users

Orthogonal frequency division multiplexing signal receiving method for e.g. telecommunication network, involves generating composite signal by summing up signals received respectively on antennae and weighted by coefficients

Anti-dazzle screen holder for motor vehicle, has cassette and draw bar stacked with respect to each other to form small anti-dazzle screen holder when sheet is folded, and balancing unit controlling bar to remain parallel to cassette

Device for opening a munitions storage container comprising a box and a lid comprises sensors for detecting a threat and a computer that actuates an opening device that separates the box and lid if a threat is detected

Multi-purpose garden incinerator, oven and smoker consists of stacked tapering sections of cellular concrete separated by metal plates and grilles

Riser section for assembling a riser for deep-sea oil drilling and production comprises connectors on the ends of a main pipe and on the ends of auxiliary lines whereby longitudinal forces can be transmitted

Building block for underwater structure is made from four circular solid e.g. reinforced concrete panels with central apertures to allow water to flow through

Manual bender for bending tube, has drive pawl and retaining pawl that are engaged with small-toothed gearwheel