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   How to express this range
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   Author  Topic: How to express this range  (Read 798 times)
sans
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How to express this range
« on: Jun 11th, 2007, 5:33am »
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Three materials A, B and C are present in a combination in their relative molar ratio A:B:C, in which B and C cover a range.  I am  looking for some elegant expressions of the range. I would not want to express it in the form 1:2.0-5.0:3.0-6.0, which, I feel, appears a little wierd. Any better  expressions would be highly appreciated.
 
sans
 
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ttglink
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Re: How to express this range
« Reply #1 on: Jun 17th, 2007, 8:31am »
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I would present ratios in trems of corresponding percentage ranges with the lower % for each component the same for all three (only where possible).  
 
e.g 1:2-5:3-6 will roughly translate into 16% A (never define component % as fixed), 32 to 42% B and 42-52% C.
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sans
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Re: How to express this range
« Reply #2 on: Jun 18th, 2007, 4:06am »
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Thanks for that.  
 
If I describe it plainly as
"A combination comprising materials coal(A), copper(B) and glass(C), the materials being present in their molar ratio a:b:c, wherein a is 1.0, b is in the range 2.0 to 5.0  and c is in the range 3.0 to 6.0" does it sound okay?
 
sans
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pentazole
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Re: How to express this range
« Reply #3 on: Jun 19th, 2007, 2:30pm »
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You don't really need to present them all at the same time.  You present each separately.  Give a first broad range for each, then a more narrow range for each.
 
so say A is present in 1-60 (for example) wt% based on the total weight of the composition, specifically 5-50, more specifically etc.  Then do the same for B and C.  Easier to prosecute if you need to amend your ranges in the claims.  You can then add another embodiment where you say the ranges of A and B and C relative to each others.  It's good to start off broad without being indefinite, instead of limiting yourself from the getgo.
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