Diabestos (Great Lakes Carbon)

Documents in our library describe Diabestos (Great Lakes Carbon) as “precoat filter aid”.¹ They give it as sold from 1956.¹

What each document says

Every statement about Diabestos (Great Lakes Carbon) in the documents, in each document's own words.

USPTO trademark case files (Trademark Full Text XML Data, Annual Applications, 2025 edition)

• Sold from: “first used in commerce 1956-07-31”, said by GREAT LAKES CARBON CORPORATION, as recorded by U.S. Patent and Trademark Office¹
• Description: “PRECOAT FILTER AID”, said by GREAT LAKES CARBON CORPORATION, as recorded by U.S. Patent and Trademark Office¹

Kind of product

We list Diabestos (Great Lakes Carbon) with raw fiber and filler, from how the documents describe it. That page explains how such products exposed workers.

Raw fiber and filler by other makers (42)

Plastibest (Johns-Manville) · Fibra-Flo (Johns-Manville) · Asbaltic (Johns-Manville) · Asbestos Fibers (Johns-Manville) · Caposite (North American Asbestos) · Blue Mud (Johns-Manville) · Calidria RG 144 (Union Carbide) · Calidria RG 600 (Union Carbide) · Carded Crysotile (Unarco) · Carey 7 RF (Carey Canadian Mines) · Celite (Johns-Manville) · Chlorbestos (Johns-Manville) · Dicalite (maker not given) · Fiberspray Asbestos (Acoustic) · Fibra Flow (Johns-Manville) · Gold Bond Asbestos Fibers (National Gypsum) · Havestos (Haveg) · Mimco (Mining & Milling Corp. of America) · Montasite (Mining & General Technicians) · Mother Lode (Asbestos Textile Co.) · and 22 more: all raw fiber and filler

See also

• Great Lakes Carbon: the company's documents, people, products and plants

References

1. USPTO trademark case files (Trademark Full Text XML Data, Annual Applications, 2025 edition) (August 15, 1956). Not yet published in our library.