4. Synthetic resins or natural rubbers -- part of the class 520 ser
  5. Synthetic resins
  6. From phenol, phenol ether, or inorganic phenolate

Klaus Burger

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Bis(trifluoromethyl)hydantoins as intermediates for...

Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate

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Heteroaromatic polyether

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate
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Leak testing and leak localization arrangement for leak...

Electricity: measuring and testing – Impedance – admittance or other quantities representative of... – Lumped type parameters
Reexamination Certificate

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Method and apparatus for multiple development of thin-layer chro

Liquid purification or separation – With alarm – indicator – register – recorder – signal or... – Responsive to fluid flow
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Method for opening the plastic housing of an electronic module

Semiconductor device manufacturing: process – Repair or restoration
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Profile ID: LFUS-PAI-P-741767

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