Polystyrene phonograph record composition and method of making same
United States Patent 2779744
US Patent References:
Preparation of plastics
- - 2109592
Method for controlled blending of polystyrene with modifiers
- - 2540146
Phonograph record molding compositions and records
- - 2582741
Methods of molding nonmetallic powders
- - 2593507
Plastics molding compositions
- - 2636867
Preparation of plastics
- - 2109592
Method for controlled blending of polystyrene with modifiers
- - 2540146
Phonograph record molding compositions and records
- - 2582741
Methods of molding nonmetallic powders
- - 2593507
Plastics molding compositions
- - 2636867
Inventors:
Frazier, Groff
Bredgman, Potter Peter
Bredgman, Potter Peter
Publication Date:
01/29/1957
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Export Citation:
Assignee:
UNION CARBIDE & CARBON CORP
Primary Class:
Other Classes:
524/443, 260/998.160, 524/277, 524/404
International Classes:
C08K3/14; C08K3/00
US Patent References:
| 2681323 | Polystyrene phonograph record and process of manufacture |