Patents
Patents for C07D 323 - Heterocyclic compounds containing more than two oxygen atoms as the only ring hetero atoms (1,581)
06/1982
06/22/1982CA1126281A1 Enterochelin complexes
06/15/1982CA1125774A1 Process for the continuous manufacture of trioxan
06/01/1982US4332644 Process for separating trioxane
05/1982
05/25/1982US4331785 Vinyl substituted cyclic polyethers and addition polymers thereof
05/19/1982EP0051946A1 Metal complexes
05/18/1982US4330474 Using silica gel as cyclization catalyst
04/1982
04/06/1982US4323502 Process for the simultaneous preparation of trioxan and cyclic formals
12/1981
12/16/1981EP0041748A2 Manufacture of macrocyclic polyethers
10/1981
10/27/1981US4297102 Solubilizers; amphoteric surfactants; cosmetics; hair shampoos
10/20/1981CA1111050A1 Macrocyclic polyether complexes
09/1981
09/30/1981EP0036552A1 Process for the purification of trioxane
09/22/1981US4290956 Tensio-active polypod compounds, process for preparing them and compositions containing them
08/1981
08/25/1981US4285866 Cyclic perketals and their use for cross-linking high density polyethylene
06/1981
06/16/1981CA1103243A1 Process for the production of heterocyclic compounds
06/02/1981US4271279 Cyclic perketals and their use for cross-linking high density polyethylene
05/1981
05/26/1981US4269850 Enterochelin complexes
05/13/1981EP0028361A2 Process and device for the continuous preparation of trioxane
05/12/1981US4267109 Cyclic perketals and their use for cross-linking high density polyethylene
03/1981
03/17/1981US4256859 Bonding to crosslinked chloromethylated polystyrene beads or acrylate homo- or copolymers; phase transfer agents; nontoxic
03/17/1981US4256855 Homo- and copolymers of acrylic esters or vinyl ethers containing crown ether rings; extractors; gas absorbers
03/04/1981EP0024293A1 Di- and/or oligomerisation of cyclic aliphatic ethers and use of the products thus obtained as particular solvents and complexing agents
03/03/1981US4254034 Macrocyclic polyether complexes and method for polyether isolation using said complexes
02/1981
02/17/1981CA1095922A1 Process for the isolation 1,4,7,10,13,16- hexaoxacyclooctadecane
12/1980
12/30/1980US4242309 Chemical reactors
10/1980
10/15/1980EP0017067A1 Process for the continuous production of trioxane
10/14/1980US4228306 Phenylene substituted polymeric dialkyl peroxides
08/1980
08/19/1980US4218384 Omega-amino alkenoic acids
08/19/1980US4218379 Depolymerization of polyesters
07/1980
07/23/1980EP0013444A1 Complexes between 1,4,7,10,13,16-hexaoxacyclooctadecane (18-crown-6) and dimethylcarbonate or dimethyloxalate and process for isolating the macrocyclic polyether via said complexes
06/1980
06/25/1980EP0012304A1 Process for the continuous preparation of trioxane
06/17/1980US4207905 Isobutyl substituted heterocyclic compounds for augmenting or enhancing the organoleptic properties of smoking tobaccos and smoking tobacco articles
06/17/1980CA1079741A1 Phenylene substituted polymeric dialkyl peroxides
04/1980
04/22/1980US4199513 Macrocyclic polyether complexes
04/16/1980EP0009797A1 Method for the simultaneous production of trioxane and cyclic formals
04/08/1980US4197394 Method for making cyclic carbonates and polymers therefrom
04/08/1980US4197244 Cyclic perketals and their use for cross-linking high density polyethylene
04/01/1980US4196250 Polyether derivatives
03/1980
03/11/1980US4192813 Omega-hydroxy alkenoic acid
03/04/1980US4191785 Chocolate-like
02/1980
02/19/1980US4189565 Process for polymerizing trioxane
01/1980
01/23/1980EP0007097A1 Tensio-active polypodes, process for their preparation and compositions containing them
01/22/1980US4185025 Continuous process for ozonizing unsaturated compounds
11/1979
11/14/1979EP0005346A1 Enterochelin complexes, pharmaceutical compositions containing them and a process for preparing them
10/1979
10/31/1979EP0004863A1 Cosmetic and pharmaceutical compositions, tensioactive cyclic polyethers and methods for preparing them
09/1979
09/25/1979US4169110 Group 8 metal slats as the catalyst
09/18/1979US4168270 Intermediate in preparation of pure enantiomorphs of 3-formylpinane
09/11/1979CA1062255A1 Macrocyclic compounds and complexes thereof
08/1979
08/21/1979US4165321 Process for the production of heterocyclic compounds
08/14/1979US4164508 Used as antistatic agents and monomers for textiles
05/1979
05/08/1979CA1054157A1 Method for the preparation of unsaturated linear polyfunctional compounds, and unsaturated industrial products and their unsaturated or saturated derivatives obtained thereby
05/01/1979US4152335 Macrocyclic polyethers
03/1979
03/27/1979US4146583 Phenylene substituted polymeric dialkyl peroxides
02/1979
02/27/1979US4142020 Hetero-macrocyclic compound coated on the surface of solid
02/13/1979US4139539 Vinyl substituted cyclic polyethers
01/1979
01/23/1979US4136087 Method for making aromatic cyclic polyformals
01/10/1979EP0000219A1 Macrocyclic polyether complexes and a process for the isolation of macrocyclic polyethers
01/10/1979EP0000218A1 Process for the isolation of 1,4,7,10,13,16-hexaoxacyclooctadecane
12/1978
12/12/1978US4129574 Method for making cyclic carbonates and polymers therefrom
11/1978
11/14/1978US4125540 With organo-phosphorus compounds
10/1978
10/03/1978CA1039733A1 Process for selective preparation of macrocyclic polyethers
09/1978
09/12/1978US4113739 Process for preparation of (poly)cyclic polyethers
08/1978
08/29/1978US4110298 Trioxane production
08/01/1978US4104275 Complexing agents, dispersing agents, antiviral agents
06/1978
06/06/1978US4093752 Foodstuffs, chewing gum, toothpaste, medicines
04/1978
04/18/1978US4085127 Method for producing aldehyde acids by selective ozonization of cyclo-olefins
04/11/1978US4083877 Preparation of a peroxide
03/1978
03/21/1978US4080337 Multioxymacrocycle compounds containing pyridyl rings as part of the macrocycle
02/1978
02/07/1978US4072693 Crown compounds, non-hygroscopic
10/1977
10/04/1977US4052443 Process for preparing aqueous slurries of tabular habit diperisophthalic acid
08/1977
08/30/1977US4045551 Sublimable aromatic compositions
08/23/1977US4043873 Vacuum evaporation
05/1977
05/24/1977US4025523 Cyclic tetra-oxyethylene complexes with ionic compounds
05/17/1977US4024158 Aroylcrownethers
01/1977
01/04/1977US4001279 Asymmetric macrocycles containing oxygen and binaphthyl ring members
12/1976
12/14/1976US3997563 Process for selective preparation of macrocyclic polyethers
12/14/1976US3997562 Nitrile complexes
09/1976
09/21/1976US3981889 Method of manufacturing cis,cis-2,4,6-triisopropyl-1,3,5-trioxane
07/1976
07/13/1976US3969344 Trioxane, 1,3-dioxolane, caprolactone, or caprolactam
06/1976
06/22/1976US3965116 Multioxymacrocycles
03/1976
03/30/1976US3947504 Separation and recovery of 3-methyl-3-butene-1-ol
03/02/1976US3941812 Thermally stable octanitro macrocyclic explosives
1 ... 6 7 8 9 10 11 12 13 14 15 16