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1958-06-24 |
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Koppers Co Inc |
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1958-12-08 |
1962-08-21 |
Koppers Co Inc |
Method of making a self extinguishing expandable polymer of styrene by bromination
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1962-06-19 |
Koppers Co Inc |
Method of producing self-extinguishing foamable polystyrene by brominating foamable polystyrene in aqueous suspension
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1960-03-01 |
1963-05-07 |
Armstrong Cork Co |
Preparation of expandable polystyrene particles
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1966-12-29 |
Basf Ag |
Verfahren zur Herstellung von expandierbaren Formmassen aus nachchlorierten Polymerisaten von Vinylchlorid
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1961-10-26 |
1967-09-19 |
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1961-11-06 |
1965-04-13 |
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Expandable thermoplastic polymeric material
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1965-09-21 |
Koppers Co Inc |
Process for the production of expandable particles of styrene polymer
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1962-04-23 |
1966-05-24 |
Lodge & Shipley Co |
Expander for polymeric material
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1962-10-15 |
1966-05-10 |
Hercules Powder Co Ltd |
Preparation of molded plastic articles
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1963-04-10 |
1967-02-21 |
Diamond Alkali Co |
Cellular polyurethanes produced using a mixture of (a) chloroform and (b) a fluorine substituted alkane as the blowing agent
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1963-05-20 |
1964-08-28 |
Pechiney Saint Gobain |
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1963-11-12 |
1967-12-19 |
Papex Corp |
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Process and apparatus for making shaped cellular articles from expandable thermoplastic resins
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1965-01-07 |
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Method of making expandable polymeric styrene particles
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1965-01-16 |
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Basf Ag, 6700 Ludwigshafen |
Verfahren zur Herstellung feinteiliger expandierbarer Styrolpolymerisate
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1965-04-15 |
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Fabrication of cellular resinous products
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Method of making foamed plastics
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1966-05-23 |
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Preparation of free-flowing foamable polystyrene beads
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1966-05-31 |
1969-06-10 |
Dow Chemical Co |
Process for making foamable isotactic polystyrene
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1967-07-31 |
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Koppers Co Inc |
Un procedimiento para preparar particulas de polimero de estireno expandible.
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1968-03-21 |
1970-09-15 |
Philip Morris Inc |
Smoking product having microreticulated filter
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1968-05-28 |
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Dow Chemical Co |
Method of making foamed crystalline vinyl aromatic polymer
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1977-04-19 |
Sealed Air Corporation |
Production of heat-expandable styrene-polymer bit-pieces
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Preparation of expanded flexible polyurethane foam micro-bits
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