Oxygen Containing Hetero Ring (e.g., Dioxirane, Etc.) Patents (Class 549/200)
- Oxirane containing compound with preservative or stabilizer (Class 549/202)
- Cyclic anhydride containing compound with preservative or stabilizer (Class 549/203)
- Lactone containing compound with preservative or stabilizer (Class 549/204)
- Compound in which the hetero ring is five-membered with preservative or stabilizer (Class 549/205)
- Arsenic containing (Class 549/207)
- The hetero ring has three members or at least seven members (Class 549/208)
- The metal is bonded directly to carbon, which carbon is a ring carbon of the hetero ring or which carbon is attached directly or indirectly to the hetero ring by nonionic bonding (Class 549/209)
- The metal is bonded directly to chalcogen, which chalcogen is attached directly or indirectly to the hetero ring by nonionic bonding (Class 549/210)
- Polycyclo ring system having the hetero ring as one of the cyclos (Class 549/212)
- The cyclic anhydride has at least six members and is a cyclo in a polycyclo ring system (Class 549/232)
- The cyclic anhydride is five-membered (e.g., succinic anhydride, etc.) (Class 549/233)
- Polycyclo ring system having the cyclic anhydride as one of the cyclos (Class 549/234)
- Tetracyclo ring system having the cyclic anhydride as one of the cyclos (Class 549/235)
- Tricyclo ring system having the cyclic anhydride as one of the cyclos (Class 549/236)
- Bicyclo ring system having the cyclic anhydride as one of the cyclos (Class 549/240)
- Plural bicyclo ring systems each having the cyclic anhydride as one of the cyclos (Class 549/241)
- Nitrogen or additional chalcogen bonded directly to the bicyclo ring system (Class 549/243)
- Having -C(=X)-, wherein X is chalcogen, bonded directly to the bicyclo ring system (Class 549/244)
- Halogen bonded directly to the bicyclo ring system (Class 549/246)
- Phthalic anhydride per se (Class 549/247)
- Plural hetero rings (Class 549/252)
- Nitrogen or additional chalcogen attached directly or indirectly to the cyclic anhydride by nonionic bonding (Class 549/253)
- Halogen attached directly or indirectly to the cyclic anhydride by nonionic bonding (Class 549/254)
- Acyclic carbon chain containing carbon to carbon unsaturation bonded directly to the cyclic anhydride (Class 549/255)
- Preparing by oxidation (Class 549/256)
- Double bond between ring members of the cyclic anhydride (Class 549/261)
- Spiro (Class 549/264)
- The lactone ring has at least seven members (Class 549/266)
- Plural ring oxygens in the lactone ring (Class 549/267)
- Polycyclo ring system having the lactone ring as one of the cyclos (Class 549/268)
- Additional chalcogen attached directly or indirectly to the lactone ring by nonionic bonding (Class 549/271)
- Preparing from a cyclic ketone (i.e., a ketone where the carbonyl is part of a ring) (Class 549/272)
- The lactone ring is six-membered (Class 549/273)
- Plural ring oxygens in the lactone ring (Class 549/274)
- Polycyclo ring system having the lactone ring as one of the cyclos (Class 549/275)
- Tetracyclo ring system having the lactone ring as one of the cyclos (Class 549/276)
- Tricyclo ring system having the lactone ring as one of the cyclos (Class 549/280)
- Bicyclo ring system having the lactone ring as one of the cyclos (Class 549/283)
- Plural bicyclo ring systems each having the lactone ring as one of the cyclos (Class 549/284)
- Additional acyclic chalcogen bonded directly to the lactone ring (Class 549/285)
- Acyclic -C(=X)-, wherein X is chalcogen, bonded directly to the lactone ring (Class 549/287)
- Nitrogen bonded directly to the bicyclo ring system (Class 549/288)
- The other cyclo of the bicyclo ring system is a six-membered carbocyclic ring to which chalcogen is directly attached (Class 549/289)
- The bicyclo lactone consists of two six-membered rings and is unsubstituted or hydrocarbyl substituted only (Class 549/290)
- Acyclic -C(=X)-, wherein X is chalcogen, bonded directly to the lactone ring (Class 549/291)
- Additional chalcogen bonded directly to the lactone ring (Class 549/292)
- Nitrogen attached directly or indirectly to the lactone ring by nonionic bonding (Class 549/293)
- Double bond between ring members of the lactone ring (Class 549/294)
- The lactone ring is five-membered (Class 549/295)
- Plural ring oxygens in the lactone ring (Class 549/296)
- Polycyclo ring system having the lactone ring as one of the cyclos (Class 549/297)
- Tetracyclo ring system having the lactone ring as one of the cyclos (Class 549/298)
- Tricyclo ring system having the lactone ring as one of the cyclos (Class 549/299)
- Bicyclo ring system having the lactone ring as one of the cyclos (Class 549/302)
- Nitrogen bonded directly to the lactone ring (Class 549/303)
- Nitrogen attached indirectly to the lactone ring by acyclic nonionic bonding (Class 549/304)
- Chalcogen attached indirectly to the lactone ring by acyclic nonionic bonding (Class 549/305)
- Plural ring oxygens in the bicyclo ring system (Class 549/306)
- The other cyclo of the bicyclo ring system is benzene (e.g., phthalides, etc.) (Class 549/307)
- The bicyclo ring system consists of two five-membered rings (Class 549/311)
- Additional chalcogen bonded directly to the lactone ring (Class 549/313)
- At least two additional chalcogens bonded directly to the lactone ring (Class 549/314)
- Acyclic -C(=X)-, wherein X is chalcogen, attached directly or indirectly to the lactone ring by nonionic bonding (Class 549/318)
- Plural alkyl groups bonded directly to the same ring carbon of the lactone ring (e.g., pantolactone, etc.) (Class 549/319)
- Plural hetero rings (Class 549/320)
- Nitrogen attached directly or indirectly to the lactone ring by acyclic nonionic bonding (Class 549/321)
- Having -C(=X), wherein X is chalcogen, bonded directly to the lactone ring (Class 549/322)
- Chalcogen attached indirectly to the lactone ring by nonionic bonding (Class 549/323)
- Halogen attached directly or indirectly to the lactone ring by nonionic bonding (Class 549/324)
- Preparing by hydrogenation of cyclic anhydrides (Class 549/325)
- Preparing from compound containing -COO- group (Class 549/326)
- Acyclic carbon double bonded directly to a ring carbon of a four-membered lactone ring (Class 549/327)
- Four-membered lactone ring formed (Class 549/328)
- The spiro includes a hetero ring (Class 549/331)
- The spiro includes a three- or four-membered hetero ring (Class 549/332)
- Plural ring oxygens in a spiro hetero ring (Class 549/333)
- Both rings which form the spiro are hetero rings (Class 549/343)
- Bicyclo ring system having the spiro hetero ring as one of the cyclos (e.g., griseofulvin, etc.) (Class 549/345)
- Plural ring oxygens in the hetero ring (e.g., 1,2-dioxin, etc.) (Class 549/357)
- Polycyclo ring system having the hetero ring as one of the cyclos (Class 549/358)
- Tricyclo ring system having the hetero ring as one of the cyclos (Class 549/359)
- Bicyclo ring system having the hetero ring as one of the cyclos (Class 549/362)
- The two cyclos share at least three ring members (i.e., bridged) (Class 549/363)
- Three or more ring oxygens in the bicyclo ring system (Class 549/364)
- The ring oxygens are in the 1,2- or 1,3-positions of the hetero ring (Class 549/365)
- Nitrogen attached indirectly to the hetero ring by acyclic nonionic bonding (Class 549/366)
- Three or more ring oxygens in the hetero ring (Class 549/367)
- The ring oxygens are in the 1,3-positions of the hetero ring (e.g., 1,3 dioxane, etc.) (Class 549/369)
- Plural hetero rings (Class 549/370)
- Nitrogen bonded directly to the hetero ring (Class 549/371)
- Chalcogen or -C(=X), wherein X is chalcogen, bonded directly to the hetero ring (Class 549/372)
- Nitrogen attached indirectly to the hetero ring by nonionic bonding (Class 549/373)
- Chalcogen attached indirectly to the hetero ring by nonionic bonding (Class 549/374)
- Preparing by reacting an aldehyde with a compound containing acyclic carbon to carbon unsaturation (Class 549/376)
- The ring oxygens are in the 1,4-positions of the hetero ring (e.g., 1,4 dioxane, etc.) (Class 549/377)
- Polycyclo ring system having the hetero ring as one of the cyclos (Class 549/381)
- Pentacyclo ring system having the hetero ring as one of the cyclos (Class 549/382)
- Tetracyclo ring system having the hetero ring as one of the cyclos (Class 549/383)
- Tricyclo ring system having the hetero ring as one of the cyclos (Class 549/385)
- Two of the cyclos share at least three ring members or ring carbon is shared by the three cyclos (e.g., bridged or peri compounds, etc.) (Class 549/386)
- Plural ring oxygens in the tricyclo ring system (Class 549/387)
- The tricyclo ring system consists of three six-membered cyclos (e.g., xanthene, etc.) (Class 549/388)
- Acyclic chalcogen bonded directly to the hetero ring (Class 549/395)
- Bicyclo ring system having the hetero ring as one of the cyclos (Class 549/396)
- The two cyclos share at least three ring members (i.e., bridged) (Class 549/397)
- The bicyclo ring system consists of the hetero ring and a six-membered carbocyclic ring (Class 549/398)
- Chalcogen bonded directly to the hetero ring (Class 549/399)
- Nitrogen bonded directly to the bicyclo ring system (Class 549/404)
- Having -C(=X)-, wherein X is chalcogen, bonded directly to the bicyclo ring system (Class 549/405)
- Carbocyclic ring bonded directly to the hetero ring of the bicyclo ring system (e.g., flavanes, etc.) (Class 549/406)
- Chalcogen or nitrogen attached indirectly to the hetero ring by acyclic nonionic bonding (Class 549/407)
- Chalcogen bonded directly to the carbocyclic ring of the bicyclo ring system (e.g., tocopherols, etc.) (Class 549/408)
- Chalcogen double bonded or plural chalcogens bonded directly to the carbocyclic ring (e.g., coenzyme Q, etc.) (Class 549/409)
- Chalcogen of a -C(=X)X- group, wherein the X's are the same or diverse chalcogens, bonded directly to the carbocyclic ring of the bicyclo ring system (e.g., tocopherol esters, etc.) (Class 549/410)
- Preparing from 1,4-di-oxygen substituted carbocyclic ring (e.g., of p benzoquinones, p-hydroquinones, etc.) (Class 549/411)
- Processes for chemical modification of substituents on the carbocyclic ring of the bicyclo ring system (e.g., alkylation of tocopherols, etc.) (Class 549/412)
- Purification or recovery (Class 549/413)
- Plural hetero rings (Class 549/414)
- Chalcogen bonded directly to the hetero ring (Class 549/416)
- Plural chalcogens bonded directly to the hetero ring (Class 549/417)
- Nitrogen attached directly or indirectly to the hetero ring by acyclic nonionic bonding (Class 549/419)
- Having -C(=X)-, wherein X is chalcogen, attached directly or indirectly to the hetero ring by acyclic nonionic bonding (Class 549/420)
- Alicyclic ring bonded directly to the chalcogen (Class 549/421)
- Five-membered carbocyclic ring having the hetero ring as part of one substituent and -COO- as part of another substituent (e.g., prostaglandin intermediates, etc.) (Class 549/422)
- Hydroxy or halogen attached directly or indirectly to the hetero ring by acyclic nonionic bonding (H of -OH may be replaced by a substituted or unsubstituted ammonium ion or a Group IA or IIA light metal) (Class 549/423)
- Nitrogen bonded directly to the hetero ring (Class 549/424)
- Having -C(=X)-, wherein X is chalcogen, bonded directly to the hetero ring (Class 549/425)
- Nitrogen attached indirectly to the hetero ring by nonionic bonding (Class 549/426)
- Chalcogen attached indirectly to the hetero ring by nonionic bonding (Class 549/427)
- Halogen attached directly or indirectly to the hetero ring by nonionic bonding (Class 549/428)
- Plural ring oxygens in the hetero ring (Class 549/430)
- Three or more ring oxygens in the hetero ring (e.g., ozonides, etc.) (Class 549/431)
- Polycyclo ring system having the hetero ring as one of the cyclos (Class 549/432)
- Tricyclo ring system having the hetero ring as one of the cyclos (Class 549/433)
- Bicyclo ring system having the hetero ring as one of the cyclos (Class 549/434)
- Plural hetero rings (Class 549/435)
- Having -C(=X)-, wherein X is chalcogen, bonded directly to the bicyclo ring system (Class 549/436)
- Acyclic chalcogen bonded directly to the bicyclo ring system (Class 549/437)
- Nitrogen bonded directly to the bicyclo ring system (Class 549/439)
- Nitrogen attached indirectly to the bicyclo ring system by nonionic bonding (Class 549/440)
- Chalcogen attached indirectly to the ring system by nonionic bonding (Class 549/445)
- Plural hetero rings (Class 549/448)
- Nitrogen or chalcogen bonded directly to the hetero ring (Class 549/449)
- Having -C(=X)-, wherein X is chalcogen, bonded directly to the hetero ring (Class 549/450)
- Nitrogen attached indirectly to the hetero ring by nonionic bonding (Class 549/451)
- Chalcogen attached indirectly to the hetero ring by nonionic bonding (Class 549/453)
- Halogen attached directly or indirectly to the hetero ring by nonionic bonding (Class 549/455)
- Polycyclo ring system having the hetero ring as one of the cyclos (Class 549/456)
- Tetracyclo ring system having the hetero ring as one of the cyclos (Class 549/457)
- Tricyclo ring system having the hetero ring as one of the cyclos (Class 549/458)
- Bicyclo ring system having the hetero ring as one of the cyclos (Class 549/462)
- The two cyclos share at least three ring members (i.e., bridged) (Class 549/463)
- Plural ring oxygens in the bicyclo ring system (Class 549/464)
- The bicyclo ring system consists of two five-membered cyclos (Class 549/465)
- Acyclic chalcogen bonded directly to the hetero ring (Class 549/466)
- Nitrogen attached directly or indirectly to the hetero ring by acyclic nonionic bonding (Class 549/467)
- Having -C(=X)-, wherein X is chalcogen, bonded directly to the hetero ring (Class 549/468)
- Benzene ring bonded directly to the hetero ring (Class 549/469)
- Chalcogen of -C(=X)X-, wherein the X's are the same or diverse chalcogens, bonded directly to the carbocyclic ring of the bicyclo ring system (Class 549/470)
- Plural double bonds between ring members of the hetero ring (Class 549/471)
- Plural hetero rings (Class 549/472)
- Cyano bonded directly to the hetero ring (Class 549/474)
- Chalcogen bonded directly to the hetero ring (Class 549/475)
- Nitrogen bonded directly to the hetero ring (Class 549/480)
- Having -C(=X)-, wherein X is chalcogen, bonded directly to the hetero ring (Class 549/483)
- The -C(=X)- is part of a -C(=X)X- group, wherein the X's are the same or diverse chalcogens (Class 549/484)
- Nitrogen bonded directly to the -C(=X)- group (Class 549/487)
- Additional chalcogen attached indirectly to the hetero ring by nonionic bonding (Class 549/488)
- Preparation of furfural (i.e., furan-2-aldehyde) (Class 549/489)
- Purification or recovery of furfural (Class 549/490)
- Nitrogen attached indirectly to the hetero ring by nonionic bonding (Class 549/491)
- Chalcogen attached indirectly to the hetero ring by nonionic bonding (Class 549/497)
- Halogen attached directly or indirectly to the hetero ring by nonionic bonding (Class 549/504)
- Plural double bonds between ring members of the hetero ring (Class 549/505)
- One double bond between ring members of the hetero ring (Class 549/507)
- Preparing from compound containing -COO- group (Class 549/508)
- Preparing from a hydroxy containing compound (Class 549/509)
- Processes (Class 549/513)
- Epihalohydrin, glycerol monohalohydrin or glycerol dihalohydrin reactant (Class 549/514)
- Oxirane ring formed (Class 549/518)
- Carbonyl of aldehyde or ketone reacted to form oxirane ring (Class 549/519)
- By dehydrohalogenation of a halohydrin or by reacting a hypohalite or hypohalous acid with an ethylenically unsaturated compound at the site of unsaturation (Class 549/520)
- Epoxidation at site of ethylenic unsaturation (Class 549/523)
- Ether or -COO- group formed (Class 549/539)
- Isomerization, halogenation, hydrogenation, or dehydrohalogenation to form compound (Class 549/540)
- Purification or recovery (Class 549/541)
- Polycyclo ring system having the hetero ring as one of the cyclos (Class 549/543)
- Having -C(=X)-, wherein X is chalcogen, bonded directly to the hetero ring (Class 549/548)
- Cyano, nitrogen, or halogen bonded directly to the hetero ring (Class 549/550)
- Nitrogen attached indirectly to the hetero ring by nonionic bonding (Class 549/551)
- Chalcogen attached indirectly to the hetero ring by nonionic bonding (Class 549/554)
- Halogen attached indirectly to the hetero ring by nonionic bonding (Class 549/563)