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cr-chemicals

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cr-chemicals [#permalink] New post 03 Sep 2008, 20:31
Naturally occurring chemicals cannot be newly patented once their structures have been published. Before a naturally occurring chemical compound can be used as a drug, however, it must be put through the same rigorous testing program as any synthetic compound, culminating in a published report detailing the chemical’s structure and observed effects.
If the statements above are true, which of the following must also be true on the basis of them?
(A) Any naturally occurring chemical can be reproduced synthetically once its structure is known.
(B) Synthetically produced chemical compounds cannot be patented unless their chemical structures are made public.
(C) If proven no less effective, naturally occurring chemicals are to be preferred to synthetic compounds for use in drugs.
(D) Once a naturally occurring compound has been approved for use as a drug, it can no longer be newly patented.
(E) A naturally occurring chemical cannot be patented unless its effectiveness as a drug has been rigorously established.

Kindly explain the approach
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Re: cr-chemicals [#permalink] New post 04 Sep 2008, 08:18
spriya wrote:
Naturally occurring chemicals cannot be newly patented once their structures have been published. Before a naturally occurring chemical compound can be used as a drug, however, it must be put through the same rigorous testing program as any synthetic compound, culminating in a published report detailing the chemical’s structure and observed effects.
If the statements above are true, which of the following must also be true on the basis of them?
(A) Any naturally occurring chemical can be reproduced synthetically once its structure is known.
(B) Synthetically produced chemical compounds cannot be patented unless their chemical structures are made public.
(C) If proven no less effective, naturally occurring chemicals are to be preferred to synthetic compounds for use in drugs.
(D) Once a naturally occurring compound has been approved for use as a drug, it can no longer be newly patented.
(E) A naturally occurring chemical cannot be patented unless its effectiveness as a drug has been rigorously established. -


Reasoning: Naturally occurring chemicals (for ease, call it NOC) cannot used as a drug unless it gets tested and its chemical structure is published and the effects are observed. But for patenting a NOC, one needs to publish the structure. Thus for a NOC to be patented, its effectiveness as a drug has to be tested. E is the only choice that comes close to defining this relationship.

Naturally occurring chemicals --> testing --> publishing -->Drugs & Patents
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Re: cr-chemicals [#permalink] New post 04 Sep 2008, 18:35
wizardofwashington wrote:
spriya wrote:
Naturally occurring chemicals cannot be newly patented once their structures have been published. Before a naturally occurring chemical compound can be used as a drug, however, it must be put through the same rigorous testing program as any synthetic compound, culminating in a published report detailing the chemical’s structure and observed effects.
If the statements above are true, which of the following must also be true on the basis of them?
(A) Any naturally occurring chemical can be reproduced synthetically once its structure is known.
(B) Synthetically produced chemical compounds cannot be patented unless their chemical structures are made public.
(C) If proven no less effective, naturally occurring chemicals are to be preferred to synthetic compounds for use in drugs.
(D) Once a naturally occurring compound has been approved for use as a drug, it can no longer be newly patented.
(E) A naturally occurring chemical cannot be patented unless its effectiveness as a drug has been rigorously established. -


Reasoning: Naturally occurring chemicals (for ease, call it NOC) cannot used as a drug unless it gets tested and its chemical structure is published and the effects are observed.But for patenting a NOC, one needs to publish the structure.[/color] Thus for a NOC to be patented, its effectiveness as a drug has to be tested. E is the only choice that comes close to defining this relationship.

Naturally occurring chemicals --> testing --> publishing -->Drugs & Patents


Its said in the passage that no NOC can be newly patented once the structures are published ,not viceversa

structures published -> cannot be new patent
the above does not mean we need to publish structures to get it patent
Again NOC to be used as drug it needs to be tested and structures published.No where effectiveness is mentioned in the argument

OA is not E
now im clear at the reasoning
try again !!:) u are close to the answer
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Re: cr-chemicals [#permalink] New post 04 Sep 2008, 21:20
The answer is D

Because a published structure can not be patented (this is also given in the arg.)

Please check... The reasoning given above (one who gave E as the answer) is correct but the above argument was not considered in deciding.
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Re: cr-chemicals [#permalink] New post 05 Sep 2008, 00:00
spriya wrote:
Naturally occurring chemicals cannot be newly patented once their structures have been published. Before a naturally occurring chemical compound can be used as a drug, however, it must be put through the same rigorous testing program as any synthetic compound, culminating in a published report detailing the chemical’s structure and observed effects.
If the statements above are true, which of the following must also be true on the basis of them?
(A) Any naturally occurring chemical can be reproduced synthetically once its structure is known.
(B) Synthetically produced chemical compounds cannot be patented unless their chemical structures are made public.
(C) If proven no less effective, naturally occurring chemicals are to be preferred to synthetic compounds for use in drugs.
(D) Once a naturally occurring compound has been approved for use as a drug, it can no longer be newly patented.
(E) A naturally occurring chemical cannot be patented unless its effectiveness as a drug has been rigorously established.

Kindly explain the approach


1) Naturally occurring chemicals cannot be newly patented if they are published.
2) End result (to be used as a drug) of naturally occuring chemicals is - a published report

Hence, nnce a naturally occurring compound has been approved for use as a drug, it can no longer be newly patented.
(D).
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Re: cr-chemicals [#permalink] New post 05 Sep 2008, 02:26
D for me. Once natuarally occuring material is used in drug and drug is approved, its structure is published and it cannot be newly patented.
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Re: cr-chemicals [#permalink] New post 05 Sep 2008, 07:50
OA is D
Thanks Guys !! but one problem im facing in CR is that when i do a CR in test or in timed manner ,like say i set 10 min for 6 CRs then i actually dont do well,once i do them without time limit i solve the CR in less than 2 min!!is there any way to improve on this same is the case with SC and RC !!! :(
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Re: cr-chemicals [#permalink] New post 05 Sep 2008, 15:05
spriya wrote:
wizardofwashington wrote:
spriya wrote:
Naturally occurring chemicals cannot be newly patented once their structures have been published. Before a naturally occurring chemical compound can be used as a drug, however, it must be put through the same rigorous testing program as any synthetic compound, culminating in a published report detailing the chemical’s structure and observed effects.
If the statements above are true, which of the following must also be true on the basis of them?
(A) Any naturally occurring chemical can be reproduced synthetically once its structure is known.
(B) Synthetically produced chemical compounds cannot be patented unless their chemical structures are made public.
(C) If proven no less effective, naturally occurring chemicals are to be preferred to synthetic compounds for use in drugs.
(D) Once a naturally occurring compound has been approved for use as a drug, it can no longer be newly patented.
(E) A naturally occurring chemical cannot be patented unless its effectiveness as a drug has been rigorously established. -


Reasoning: Naturally occurring chemicals (for ease, call it NOC) cannot used as a drug unless it gets tested and its chemical structure is published and the effects are observed.But for patenting a NOC, one needs to publish the structure.[/color] Thus for a NOC to be patented, its effectiveness as a drug has to be tested. E is the only choice that comes close to defining this relationship.

Naturally occurring chemicals --> testing --> publishing -->Drugs & Patents


Its said in the passage that no NOC can be newly patented once the structures are published ,not viceversa

structures published -> cannot be new patent
the above does not mean we need to publish structures to get it patent
Again NOC to be used as drug it needs to be tested and structures published.No where effectiveness is mentioned in the argument

OA is not E
now im clear at the reasoning
try again !!:) u are close to the answer


Grrrr.. See, this is what happens to me when I try and do a CR question in under 2 mins. Anyway, I guess that would make D the best choice (which you have already confirmed as the OA). Thanks for pointing out my error.
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Re: cr-chemicals [#permalink] New post 05 Sep 2008, 18:07
wizardofwashington wrote:
spriya wrote:

Reasoning: Naturally occurring chemicals (for ease, call it NOC) cannot used as a drug unless it gets tested and its chemical structure is published and the effects are observed.But for patenting a NOC, one needs to publish the structure.[/color] Thus for a NOC to be patented, its effectiveness as a drug has to be tested. E is the only choice that comes close to defining this relationship.

Naturally occurring chemicals --> testing --> publishing -->Drugs & Patents


Its said in the passage that no NOC can be newly patented once the structures are published ,not viceversa

structures published -> cannot be new patent
the above does not mean we need to publish structures to get it patent
Again NOC to be used as drug it needs to be tested and structures published.No where effectiveness is mentioned in the argument

OA is not E
now im clear at the reasoning
try again !!:) u are close to the answer


Grrrr.. See, this is what happens to me when I try and do a CR question in under 2 mins. Anyway, I guess that would make D the best choice (which you have already confirmed as the OA). Thanks for pointing out my error.[/quote]
How do u improve on this then ????Any strategy?
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Re: cr-chemicals [#permalink] New post 05 Sep 2008, 18:26
IMO D.

structures have been published >= chemicals cannot be newly patented

structures have been published > used as a drug

so, if used as a drug, chemicals cannot be newly patented ..
Re: cr-chemicals   [#permalink] 05 Sep 2008, 18:26
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