Thomas S Thomas

US Patent:

20120148967, Jun 14, 2012

Filed:

Dec 13, 2010

Appl. No.:

12/966329

Inventors:

Thomas J. Thomas - Summerville SC, US

International Classification:

F23D 3/18
B23P 11/00

US Classification:

431325, 29428

Abstract:

A candle wick () comprises a first wick member (A) and a second wick member (B). The first wick member (A) includes a first slot (A). The second wick member (B) includes a second slot (B). The second slot (B) is engaged with the first slot (A) so that the second wick member (B) is engaged with the first wick member (A) in an interlocking manner. The first wick member (A) can be engaged at an angle with the second wick member (B). The first wick member (A) and the second wick member (B) can be positioned at right angles or other than right angles relative to one another. Further, the first wick member (A) includes a first wood material and the second wick member (B) includes a second wood material. The first wood material can be substantially similar to the second wood material, or the first wood material can be different than the second wood material.

US Patent:

46734104, Jun 16, 1987

Filed:

Nov 19, 1985

Appl. No.:

6/799672

Inventors:

Charles W. Sandefur - Summerville SC
Thomas J. Thomas - Summerville SC

Assignee:

Mobay Corporation - Pittsburgh PA

International Classification:

C09B 6700

US Classification:

8528

Abstract:

The present disclosure is concerned with enhancing the solubility of dispersed anionic dyes upon the dilution of their dispersions with room temperature water. Concentrated dispersions of such dyes with acceptable stability and low shear viscosities are disclosed which are more readily diluted to dissolve the dispersed dyestuff because they contain certain chelating agents are described. These agents have at least one free or appropriately neutralized acid group, with carboxylic acid groups being preferred. The appropriae cations include ammonium or lithium ions. The free acid groups are subsequently neutralized with these appropriae cations so that the final dispersions are preferably about neutral, i. e have pH values about 7. A further improvement to the dilutability by the addition of a surfactant, preferably a non-ionic surfactant, is also discssed.

US Patent:

44682301, Aug 28, 1984

Filed:

Mar 25, 1983

Appl. No.:

6/478953

Inventors:

Thomas J. Thomas - Summerville SC
Robert G. Hoguet - Summerville SC
Charles W. Sandefur - Summerville SC
Dietmar Kalz - Summerville SC

Assignee:

Mobay Chemical Corporation - Pittsburgh PA

International Classification:

D06P 6700

US Classification:

8528

Abstract:

The present disclosure is concerned with aqueous dispersions of anionic acid dyes, especially the monosulphonated level dyeing acid dyes, which have low room temperature, low shear viscosities and good storage stability. This low viscosity enables them to be readily poured, pumped and otherwise handled. These dispersions comprise dyestuff solids with a controlled particle size distribution having a median value between about 1 and 10 microns; an anionic dispersant; and an electrolyte. In a preferred embodiment the pH is adjusted to give an optimum viscosity value. Another preferred feature is the adjustment of the rheology with a thickening agent such as xanthan gum. These dispersions find particular utility in the continuous dyeing of carpet, especially in Kuesters or foam dyeing equipment.

US Patent:

45499802, Oct 29, 1985

Filed:

Oct 11, 1983

Appl. No.:

6/540748

Inventors:

Susan M. Morris - John's Island SC
Thomas J. Thomas - Summerville SC
Dietmar Kalz - Summerville SC

Assignee:

Mobay Chemical Corporation - Pittsburgh PA

International Classification:

C07D25154
C09K 1106
C11D 342
D06L 312

US Classification:

25230123

Abstract:

The present invention is concerned with the modification of the sodium salt of a known optical brightener to obtain a white crystalline material. The commercially available 4,4'-bis-(2-anilino-4-phenylamino-1,3,5-triazinyl-6-amino)-stilbene-2,2'-d isulphonic acid is neutralized with a sodium base such as caustic and exposed to temperatures above about 65. degree. C. as an aqueous slurry containing some undissolved disodium salt. The water solubility of this salt may be inhibited by the addition of an electrolyte and the product may be recovered by spray drying.

US Patent:

48139742, Mar 21, 1989

Filed:

Jun 22, 1987

Appl. No.:

7/065197

Inventors:

Susan M. Morris - Moncks Corners SC
Margaret D. Ellis - Mt. Pleasant SC
Thomas J. Thomas - Summerville SC

Assignee:

Mobay Corporation - Pittsburgh PA

International Classification:

C09B 6734

US Classification:

8657

Abstract:

There is disclosed a procedure for reducing the halide content of cationic or basic dyes and consequently the corrosive effect of aqueous formulations of these dyes on stainless steel. The dyes are incorporated into aqueous formulation which may range from neutral to acidic and exposed to an anionic exchange resin. Suitable techniques include stirring beads of the resin into the aqueous formulation and passing the aqueous formulation through an ion exchange column.

US Patent:

43880789, Jun 14, 1983

Filed:

Mar 24, 1982

Appl. No.:

6/361223

Inventors:

Thomas J. Thomas - Summerville SC
Robert G. Hoquet - Summerville SC

Assignee:

Mobay Chemical Corporation - Pittsburgh PA

International Classification:

D06P 379

US Classification:

8514

Abstract:

The present invention is concerned with modifying the crystal form of the anthraquinone of the formula ##STR1## so as to render it more suitable for disperse dyeing and to improve its performance in thermosol dyeing. The modification is effected by heating the dyestuff at elevated temperatures, preferably between 90. degree. and 185. degree. C. until the Debye-Scherrer strong intensity spacings appear at 6. 5A. degree. , 18. 1A. degree. and 20. 6A. degree. It is also concerned with disperse and thermosol dyeing processes utilizing this crystal modification and with aqueous dispersions of this crystal modification.

US Patent:

48028886, Feb 7, 1989

Filed:

Nov 6, 1987

Appl. No.:

7/117856

Inventors:

Charles W. Sandefur - Summerville SC
Thomas J. Thomas - Summerville SC

Assignee:

Mobay Corporation - Pittsburgh PA

International Classification:

C09B 6742

US Classification:

8524

Abstract:

The present invention is concerned with improving the solubility of anionic water soluble dyestuff powders. The solubility of these powders particularly in cold water, is enhanced by adding (i) a chelating agent which has at least two free acid groups and (ii) a Lewis base in an amount sufficient to bring the pH of the water solution of the powder to a value of about 7-10.

US Patent:

44745770, Oct 2, 1984

Filed:

Oct 26, 1983

Appl. No.:

6/545795

Inventors:

Charles W. Sandefur - Summerville SC
Thomas J. Thomas - Summerville SC

Assignee:

Mobay Chemical Corporation - Pittsburgh PA

International Classification:

D06P 6702

US Classification:

8526

Abstract:

The present disclosure is concerned with new modifications of the dyestuff Color Index Acid Blue 324 which have significant advantages over the known form of this dyestuff. In particular, the preferred modification is much easier to isolate from an aqueous medium by filtration and the isolated product has a higher purity. The filtration proceeds much more rapidly and gives a filter residue of a much higher solids content. Furthermore, this new form of the dyestuff imparts a dramatically lower viscosity to aqueous dispersions or slurries prepared from it than are obtained using the old form of this dyestuff. These modifications are obtained by heating an aqueous dispersion or slurry of the known form of Color Index Acid Blue 324 to temperatures in excess of about 97. degree. C. and for the preferred form in the presence of a substance which reduces the surface tension between the dispersed organic dyestuff phase and the aqueous dispersing medium. The obtained dyestuff modifications display Debye-Scherrer X-ray diffraction patterns substantially different from that of the commercially available Color Index Acid Blue 324 evidencing that new crystal forms have been obtained.