US PATENT SUBCLASS 554 / 32-- .~.~.~.~ Heavy metal containing compound utilized (e.g., as catalyst, promoter, etc.)

US PATENT SUBCLASS 554 / 32
.~.~.~.~ Heavy metal containing compound utilized (e.g., as catalyst, promoter, etc.)

Current as of: June, 1999
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554 /	HD	ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES

*	DD	ORGANIC COMPOUNDS (Class 532, Subclass 1) {1}
1	DF	.~ Fatty compounds having an acid moiety which contains the carbonyl of a carboxylic acid, salt, ester, or amide group bonded directly to one end of an acyclic chain of at least seven (7) uninterrupted carbons, wherein any additional carbonyl in the acid moiety is (1) part of an aldehyde or ketone group, (2) bonded directly to a noncarbon atom which is between the additional carbonyl and the chain, or (3) attached indirectly to the chain via ionic bonding {23}
24	DF	.~.~ Chemical modification of oils to improve their drying properties and products thereof {3}
31	DF	.~.~.~ Dehydration or carbon to carbon unsaturation formation (e.g., dehydrating hydroxylated fatty acids or oils, forming conjugated unsaturation by dehydrogenation, dehalogenation, dehydrohalogenation, etc.) {3}
32		.~.~.~.~ Heavy metal containing compound utilized (e.g., as catalyst, promoter, etc.)

DEFINITION

Classification: 554/32

(under subclass 31) Processes wherein a compound containing a metal having a specific gravity greater than four is utilized, e.g., as reactant, catalyst, promoter, etc.