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United States Utility Patents
4,980,050 - 4,980,059
Previous 10 Next 10
| Number | | Title |
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4,980,050 |
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Catalytic cracking process with partial CO combustion |
|
4,980,051 |
|
Process and apparatus for preheating heavy feed to a catalytic cracking unit |
|
4,980,052 |
|
Catalytic cracking of hydrocarbons |
|
4,980,053 |
|
Production of gaseous olefins by catalytic conversion of hydrocarbons |
|
4,980,054 |
|
System and method for mass transfer between fluids |
|
4,980,055 |
|
Solution permeator |
|
4,980,056 |
|
Faucet-mounted microbial filter |
|
4,980,057 |
|
Apparatus for mass spectrometric analysis of liquid chromatographic fractions |
|
4,980,058 |
|
Separation of hemoglobin A.sub.2 from hemoglobin mixture |
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4,980,059 |
|
Liquid chromatograph |
For U.S. patent law, rules, and procedures see MPEP.
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