William A Hayday

6350287, Feb 26, 2002

Jun 5, 2001

09/874136

William A. Hayday - Woodbury NY

Rynex Holdings, Ltd. - Hamilton

D06L 104

8142, 510516, 510527

A method for dry-cleaning garments which comprises treating the garments with a mixture of dipropylene glycol tertiary-butyl ether (DPTB) and water for a period of time sufficient to effect dry-cleaning, wherein the weight ratio of DPTB to water is at least 9:1.

6524474, Feb 25, 2003

Aug 14, 2001

09/929749

William A. Hayday - Woodbury NY

Rynex Holdings Ltd. - Hamilton

B01D 17025

210167, 210172, 210187, 210519, 210521, 8141, 8142, 134107, 134109

A solvent separator apparatus having a vertical accumulator tank with a top end and a bottom end, the accumulator tank being serially connected to a vertical reservoir tank having a top end and a bottom end; a down tube vertically positioned in the accumulator tank having a top end nearest the top end of the accumulator tank and a bottom end nearest the bottom end of the accumulator tank, with an inlet at the top end of the down tube and an outlet at the bottom end of the down tube; an inlet conduit connected to the inlet of the down tube, the inlet conduit entering the bottom end of the accumulator tank and defining an upward flow path within the accumulator tank to the inlet at the top end of the down tube; a heat exchanger in communication with the down tube for withdrawing heat therefrom; and a transfer conduit defining a downward flow path from the top end of the accumulator tank to the bottom end of the reservoir tank. Systems in which the apparatus is combined with a dry cleaning machine are also disclosed.

6673120, Jan 6, 2004

Dec 12, 2001

10/020681

William A. Hayday - Woodbury NY

Rynex Holdings, Ltd. - Hamilton

D06L 102

8142

A method for dry-cleaning garments which comprises treating the garments with a mixture of dipropylene glycol tertiary-butyl ether (DPTB) and water for a period of time sufficient to effect dry-cleaning, wherein the weight ratio of DPTB to water is at least 9:1.

7008458, Mar 7, 2006

Jan 6, 2004

10/752111

William A. Hayday - Woodbury NY, US

D06P 1/92
D06L 1/04

8609, 81391, 8142, 510285, 510291

Compositions for dry-cleaning garments containing dipropylene glycol tertiary-butyl ether (DPTB), water, and at least one other solvent selected from cyclic siloxanes and glycol ethers other than DPTB suitable for use as dry-cleaning solvents, wherein the water is present at a level of about 10% by weight or less.

20060207035, Sep 21, 2006

Mar 7, 2006

11/370446

William Hayday - Woodbury NY, US

Rynex Holdings, Inc. - Hamilton

D06L 1/04

008142000

Compositions for dry-cleaning garments containing dipropylene glycol n-butyl ether (DPNB), water, and optionally at least one other solvent selected from cyclic siloxanes and glycol ethers other than DPNB suitable for use as dry-cleaning solvents, wherein the water is present at a level of about 2% by weight or less when only DPNB is present and about 10% by weight or less when other solvents are present.

6156074, Dec 5, 2000

Jan 12, 2000

9/402412

William A. Hayday - Woodbury NY
Stephen P. Bates - Huntington NY

Rynex Holdings, Ltd. - Hamilton

D06L 100
D06L 102
D06L 104
C09B 6710

8142

A method of dry-cleaning garments which comprises treating the garments with a mixture of propylene glycol tertiary-butyl ether or propylene glycol n-butyl ether and water.

62739190, Aug 14, 2001

Jul 20, 2000

9/621896

William A. Hayday - Woodbury NY

Rynex Holdings Ltd. - Hamilton

D06L 102
D06L 104

8142

A method for dry-cleaning garments which comprises treating the garments with a mixture of dipropylene glycol tertiary-butyl ether (DPTB) and water for a period of time sufficient to effect dry-cleaning, wherein the weight ratio of DPTB to water is at least 9:1.

55650970, Oct 15, 1996

Apr 3, 1995

8/415606

William A. Hayday - Oyster Bay NY

B01D 3342

210167

A micro-screen filter device for a dry cleaning fluid flow system in a dry cleaning machine, having a cage to receive garments to be cleaned, a main filter with a plurality of filter elements and optional carbon cores, a main filter outlet valve, a main filter bypass valve, a solvent pump, a solvent holding tank, a tank inlet valve, a tank outlet valve, a button trap housing, a button trap inlet pipe, a button trap outlet pipe and a button trap outlet valve. The micro-screen filter device comprises a filter support assembly to be inserted into the button trap housing. A micro-screen filter bag is convoluted over the filter frame body, to remove fine particulates from dry cleaning fluid solvent in the system.