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Treatment of pitches in carbon artifact manufacture

Mineral oils: processes and products – Asphalts – tars – pitches and resins; making – treating and... – Solvent extraction
Patent

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Treatment of pitches in carbon artifact manufacture

Mineral oils: processes and products – Asphalts – tars – pitches and resins; making – treating and... – Solvent extraction
Patent

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Upgrading of bitumen asphaltenes by hot water treatment

Mineral oils: processes and products – Asphalts – tars – pitches and resins; making – treating and...
Patent

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Upgrading of bitumen asphaltenes by hot water treatment containi

Mineral oils: processes and products – Asphalts – tars – pitches and resins; making – treating and...
Patent

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Upgrading petroleum asphaltenes

Mineral oils: processes and products – Asphalts – tars – pitches and resins; making – treating and... – Chemical modification of asphalt – tar – pitch or resin
Patent

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Vacuum or steam stripping aromatic oils from petroleum pitch

Mineral oils: processes and products – Asphalts – tars – pitches and resins; making – treating and...
Patent

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Viscosity modification of heavy hydrocarbons using dihydric...

Mineral oils: processes and products – Asphalts – tars – pitches and resins; making – treating and...
Reexamination Certificate

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Viscosity reduction of crude oils and residuums

Mineral oils: processes and products – Asphalts – tars – pitches and resins; making – treating and... – Chemical modification of asphalt – tar – pitch or resin
Reexamination Certificate

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VPS tar separation

Mineral oils: processes and products – Asphalts – tars – pitches and resins; making – treating and... – By distillation
Reexamination Certificate

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