ANVENDELSE AF GEM-DIPHOSPHONSYRER SOM TILSAETNING TIL MUND- OG TANDPLEJEMIDLER

Azacycloalkane-2,2-diphosphonic acids having the formula OO HO PARALLEL PARALLEL OH ANGLE PP ANGLE HOOH ANGLE C ANGLE (CH2n--N-R wherein R is a member selected from the group consisting of hydrogen and alkyl having from 1 to 3 carbon atoms and n is an integer from 3 to 5; as well as their water-solu...

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Bibliographic Details
Main Authors SCHMIDT-DUNKER, MANFRED, GLOXHUBER, CHRISTIAN, PLOEGER, WALTER
Format Patent
LanguageDanish
Published 29.01.1990
Edition5
Subjects
ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM
ADHESIVES
CHEMISTRY
DYES
HUMAN NECESSITIES
HYGIENE
MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE
MEDICAL OR VETERINARY SCIENCE
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
ORGANIC CHEMISTRY
PAINTS
POLISHES
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
SPECIFIC USE OF COSMETICS OR SIMILAR TOILETPREPARATIONS
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Summary:Azacycloalkane-2,2-diphosphonic acids having the formula OO HO PARALLEL PARALLEL OH ANGLE PP ANGLE HOOH ANGLE C ANGLE (CH2n--N-R wherein R is a member selected from the group consisting of hydrogen and alkyl having from 1 to 3 carbon atoms and n is an integer from 3 to 5; as well as their water-soluble salts. The azacycloalkane-2,2-diphosphonic acids are excellent sequestering agents especially for alkaline earth metal ions. They are stabilizers for percompounds and are useful in the delaying of the setting times for gypsum.
Bibliography:Application Number: DK19740004117