Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Rod – strand – filament or fiber
Patent
1983-07-25
1984-06-19
Kendell, Lorraine T.
Stock material or miscellaneous articles
Coated or structually defined flake, particle, cell, strand,...
Rod, strand, filament or fiber
81156, 252 86, 252 88, 428364, 524323, D02G 300, D06M 1346, C08G 6312
Patent
active
044553498
ABSTRACT:
Tetraesters of pyromellitic dianhydride are disclosed wherein two ester moieties are saturated hydrocarbon groups and two ester moieties are halohydroxyalkyl groups. The compounds may be used as diluents for fluorinated pyromellitates that are useful as soil and water repelling agents. Mixtures formed by dissolving the compounds of this invention and known fluorinated pyromellitates in a common solvent are capable of imparting soil and water repelling properties to various fibers that are essentially equivalent to soil and water repelling properties imparted to such fibers by fluorinated pyromellitates alone. Additionally, the hydrocarbon pyromellitates of this invention may be used alone as water repellents.
REFERENCES:
patent: 4209610 (1980-06-01), Mares et al.
patent: 4250300 (1981-02-01), Saegusa et al.
patent: 4283292 (1981-08-01), Marshall et al.
patent: 4290765 (1981-09-01), Sandler
patent: 4321403 (1982-03-01), Oxenrider et al.
Oxenrider Bryce C.
Price Alson K.
Allied Corporation
Doernberg Alan M.
Fuchs Gerhard H,.
Kendell Lorraine T.
Stroup Kenneth E.
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