Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1980-03-10
1981-06-30
Hearn, Brian E.
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
428921, 8116P, 106 1816, 106 1817, 423300, 423302, B32B 700, D04B 100, C01B 2106, C01B 2500
Patent
active
042763436
ABSTRACT:
The invention provides active polymeric phosphorus nitrides containing hydroxyl and halogen. The halogen atoms and hydroxyl groups are linked to phosphorus, and the nitrides contain about 35 to 54 weight % of phosphorus, about 35 to 47 weight % of nitrogen, about 1 to 20 weight % of oxygen and about 0.1 to 8 weight % of chlorine.
REFERENCES:
patent: 3012908 (1961-12-01), Bilger
patent: 3669633 (1972-06-01), Beinfest
patent: 3869294 (1975-03-01), Lanier
patent: 4044104 (1977-08-01), Cremer
patent: 4063883 (1977-12-01), Hupfl
patent: 4175113 (1979-11-01), Fieldhouse
Cremer Joseph
Harnisch Heink
Hearn Brian E.
Hoechst Aktiengesellschaft
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