Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
1976-12-27
1979-02-06
Thomas, Jr., James O.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C-metal
C07C 8730
Patent
active
041384350
ABSTRACT:
A new class of compounds having fabric softening properties is formed by hydroxamic betaines having the general formula R.sup.1 (R.sup.2)(R.sup.3)N.sup.+ -- R.sup.4 -- CO -- NH--O.sup.- in which R.sup.1, R.sup.2, R.sup.3, R.sup.4 are hydrocarbon groups having i-25 carbon atoms with the proviso that the betaine contains not more than 45 carbon atoms, at least one carbon chain of at least 12 carbon atoms and the carbon chain of R.sup.4 between the quaternary N-atom and the CO-- group is no longer than 4 carbon atoms. The compounds, which can be used in a fabric softening rinse composition as well as in a detergent composition, remain in dispersion during the washing process, but deposit onto the fabric when the pH decreases during subsequent rinsing.
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Evans William P.
Naik Appayya R.
Dusyn Kenneth F.
Farrell James J.
Kurtz Melvin H.
Lever Brothers Company
Reamer James H.
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