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US Patent: 942,699
Method of making insoluble products of phenol and formaldehyde
Patentee:
Leo H. Baekeland (exact or similar names) - Yonkers, NY

USPTO Classifications:
101/395, 101/401.1, 251/368, 310/43, 528/165, 528/488, 528/503

Tool Categories:

Assignees:
None

Manufacturer:
General Bakelite Co. - Yonkers, NY

Witnesses:
Harry S. Tarbell
Fred R. Carey

Patent Dates:
Applied: Jul. 13, 1907
Granted: Dec. 07, 1909

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USPTO press release commemorating this patent
Description:
This patent covers the first synthetic plastic, the thermosetting phenol formaldehyde resin known by the trade name of Bakelite, after the inventor, Baekeland. Bakelite proved to be invaluable as a heat- and shock-resistant electrical insulator, plus it was used to make radio castings, kitchenware, jewelry, pipe stems, and decorative and novelty items. But the dominant early use was as a laminating varnish, especially for motor windings and other electrical coils.

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