US 6,500,215 B1
Utility of selected amine oxides in textile technology
Robert B. Login,
Simpsonville, S.C. (US);
Otto Bella,
Tryon, N.C. (US);
Calvin McIntosh Wicker, Jr.,
Spartanburg, S.C. (US);
and Lynn Hosie,
Charlotte, N.C. (US)
Assigned to Sybron Chemicals, Inc.,
Birmingham, N.J. (US)
Filed on 11-Jul-2000, as Appl. No. Sybron Chemicals, Inc.,
Birmingham, N.J. (US)
Int. Cl.7D06P 1/66
US 6,500,215 B1
Utility of selected amine oxides in textile technology
Robert B. Login,
Simpsonville, S.C. (US);
Otto Bella,
Tryon, N.C. (US);
Calvin McIntosh Wicker, Jr.,
Spartanburg, S.C. (US);
and Lynn Hosie,
Charlotte, N.C. (US)
Assigned to Sybron Chemicals, Inc.,
Birmingham, N.J. (US)
Filed on Jul. 11, 2000, as Appl. No. 9/613,372.
Int. Cl.7D06P 1/66
U.S. Cl. 88212;481
32 Claims
1. A process for making cellulosic, wool, nylon or polyester fibers more receptive to dyes comprising the steps of:
providing said fibers;
contacting said fibers with an amine oxide, said amine oxide being present in an aqueous solution, said amine oxide increasing
the dye absorptivity of said fibers;
heating said treated fibers; and
contacting said fibers with a dye in a dye bath.