LandOfFree - US Patents - Listing for Organic compounds -- part of the class 532-570 series,Organic compounds,Chalcogen bonded directly to ring carbon of the purine ring...

Organic compounds -- part of the class 532-570 series – Organic compounds – Chalcogen bonded directly to ring carbon of the purine ring...

P-fluorobenzoyl-piperidino alkyl theophylline derivatives

Organic compounds -- part of the class 532-570 series – Organic compounds – Chalcogen bonded directly to ring carbon of the purine ring...

PNA monomer and precursor

Organic compounds -- part of the class 532-570 series – Organic compounds – Chalcogen bonded directly to ring carbon of the purine ring...

PNA monomer and precursor

Organic compounds -- part of the class 532-570 series – Organic compounds – Chalcogen bonded directly to ring carbon of the purine ring...

PNA monomer and precursor

Organic compounds -- part of the class 532-570 series – Organic compounds – Chalcogen bonded directly to ring carbon of the purine ring...

Polymorphic forms of cipamfylline

Organic compounds -- part of the class 532-570 series – Organic compounds – Chalcogen bonded directly to ring carbon of the purine ring...

Preparation of .alpha.-acylacetamides using tetramethyl guanidin

Organic compounds -- part of the class 532-570 series – Organic compounds – Chalcogen bonded directly to ring carbon of the purine ring...

Preparation of 4-nitro-5-imidazolyl ethers and thioethers

Organic compounds -- part of the class 532-570 series – Organic compounds – Chalcogen bonded directly to ring carbon of the purine ring...

Preparation of acyclovir using 1,3 dioxolane

Organic compounds -- part of the class 532-570 series – Organic compounds – Chalcogen bonded directly to ring carbon of the purine ring...

Preparation of caffeine

Organic compounds -- part of the class 532-570 series – Organic compounds – Chalcogen bonded directly to ring carbon of the purine ring...

Preparation of di- and tri-substituted xanthine compounds

Organic compounds -- part of the class 532-570 series – Organic compounds – Chalcogen bonded directly to ring carbon of the purine ring...

Preparation of N-9 substituted guanine compounds

Organic compounds -- part of the class 532-570 series – Organic compounds – Chalcogen bonded directly to ring carbon of the purine ring...

Preparation of penciclovir or famciclovir

Organic compounds -- part of the class 532-570 series – Organic compounds – Chalcogen bonded directly to ring carbon of the purine ring...

Preparation of purines

Organic compounds -- part of the class 532-570 series – Organic compounds – Chalcogen bonded directly to ring carbon of the purine ring...

Preparation of purines

Organic compounds -- part of the class 532-570 series – Organic compounds – Chalcogen bonded directly to ring carbon of the purine ring...

Preparation of purines

Organic compounds -- part of the class 532-570 series – Organic compounds – Chalcogen bonded directly to ring carbon of the purine ring...

Process for converting a xanthine ring or xanthine ring derivati

Organic compounds -- part of the class 532-570 series – Organic compounds – Chalcogen bonded directly to ring carbon of the purine ring...

Process for isomerizing acyclic nucleosides and process for sepa

Organic compounds -- part of the class 532-570 series – Organic compounds – Chalcogen bonded directly to ring carbon of the purine ring...

Process for obtaining 3,7-dialkylxanthines from 3-alkyl-xanthine

Organic compounds -- part of the class 532-570 series – Organic compounds – Chalcogen bonded directly to ring carbon of the purine ring...

Process for obtaining almost fluorescence-free xanthines