US PATENT SUBCLASS 502 / 527.12
PLURAL LAYERS ON A SUPPORT, EACH LAYER HAVING A DISTINCT FUNCTION
Current as of:
June, 1999
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502 /
HD
CATALYST, SOLID SORBENT, OR SUPPORT THEREFOR: PRODUCT OR PROCESS OF MAKING
527.12
PLURAL LAYERS ON A SUPPORT, EACH LAYER HAVING A DISTINCT FUNCTION
{1}
527.13
DF
.~
> More than two overlapping layers
DEFINITION
Classification: 502/527.12
PLURAL LAYERS ON A SUPPORT, EACH LAYER HAVING A DISTINCT
FUNCTION:
(under the class definition) Collection of art disclosing a support having plural layers thereon, wherein each layer has a distinct function.
