4. Stock material or miscellaneous articles
  5. All metal or with adjacent metals
  6. Composite powder

Howard J. Troffkin

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Active, heterogeneous bi- or tri-dentate catalyst

Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Organic compound containing
Reexamination Certificate

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Bayerite alumina clad zeolite and cracking catalysts...

Mineral oils: processes and products – Chemical conversion of hydrocarbons – Cracking
Reexamination Certificate

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Chromium support-agglomerate-transition metal polymerization...

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Reexamination Certificate

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Gasoline sulfur reduction catalyst for fluid catalytic...

Mineral oils: processes and products – Chemical conversion of hydrocarbons – Cracking
Reexamination Certificate

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Heterogeneous chromium catalysts and processes of...

Catalyst – solid sorbent – or support therefor: product or process – Zeolite or clay – including gallium analogs – Clay
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Profile ID: LFUS-PAI-P-2117537

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