The Hilton-Davis Chemical Co.

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Cincinnati, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Bis{[1-(2-A-2-B)ethenyl]}[2-R.sup.2 -4-X-phenyl-or 1-(2-R.sup.2 -4-...
- Patent number 5,491,262
- Issue date Feb 13, 1996
- Hilton Davis Chemical Co.
- William M. Hung
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Indole-phthalide derivatives
- Patent number 4,736,027
- Issue date Apr 5, 1988
- Hilton-Davis Chemical Co.
- William M. Hung
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Substituted phthalides
- Patent number 4,732,991
- Issue date Mar 22, 1988
- Hilton-Davis Chemical Co.
- Paul J. Schmidt
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
9-julolidinyl derivatives and process of preparing them
- Patent number 4,697,018
- Issue date Sep 29, 1987
- The Hilton-Davis Chemical Co.
- Paul J. Schmidt
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Marking systems
- Patent number 4,688,059
- Issue date Aug 18, 1987
- The Hilton-Davis Chemical Co.
- Paul J. Schmidt
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
(2-alkoxy-4-sulfonyl-5-alkylphenyl)azo-1-hydroxynaphthalene sulfoni...
- Patent number 4,675,389
- Issue date Jun 23, 1987
- The Hilton-Davis Chemical Co.
- Wayne L. Cook
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
3-(ether and thioether)-3-(indolyl)-phthalides
- Patent number 4,661,605
- Issue date Apr 28, 1987
- The Hilton-Davis Chemical Co.
- Paul J. Schmidt
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Imaging systems containing 3-(indol-3-yl)-3-(4-substituted aminophe...
- Patent number 4,660,060
- Issue date Apr 21, 1987
- The Hilton-Davis Chemical Co.
- William M. Hung
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
3-amido-7-disubstituted amino-10-carbonylphenothiazines
- Patent number 4,652,643
- Issue date Mar 24, 1987
- The Hilton-Davis Chemical Company
- Michael B. Gunn
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Fluoran compounds and marking systems
- Patent number 4,639,750
- Issue date Jan 27, 1987
- The Hilton-Davis Chemical Company
- William M. Hung
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Compositions, process and systems
- Patent number 4,636,820
- Issue date Jan 13, 1987
- The Hilton-Davis Chemical
- Paul J. Schmidt
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Triphenylmethane dyestuffs
- Patent number 4,632,783
- Issue date Dec 30, 1986
- The Hilton-Davis Chemical Co.
- William M. Hung
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Substituted indoles
- Patent number 4,618,684
- Issue date Oct 21, 1986
- The Hilton-Davis Chemical Co.
- Paul J. Schmidt
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
5-substituted-9-disubstituted amino-12-substituted carbonylbenzo[a]...
- Patent number 4,604,461
- Issue date Aug 5, 1986
- The Hilton-Davis Chemical Co.
- William M. Hung
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
3-substituted carbonyloxy-7-disubstituted amino-10-substituted carb...
- Patent number 4,604,458
- Issue date Aug 5, 1986
- The Hilton-Davis Chemical Co.
- William M. Hung
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
4-substituted amido-8-disubstituted aminoimidazophenoxazines
- Patent number 4,604,462
- Issue date Aug 5, 1986
- The Hilton-Davis Chemical Co.
- William M. Hung
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
3-(substituted phenyl)phthalides
- Patent number 4,595,768
- Issue date Jun 17, 1986
- The Hilton-Davis Chemical Co.
- Paul J. Schmidt
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Triphenylmethane dyestuff
- Patent number 4,595,536
- Issue date Jun 17, 1986
- The Hilton-Davis Chemical Co.
- William M. Hung
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Electrochromic marking systems
- Patent number 4,570,171
- Issue date Feb 11, 1986
- The Hilton-Davis Chemical Co.
- William M. Hung
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Ultrafiltration process for purification of dyes useful in foodstuffs
- Patent number 4,560,746
- Issue date Dec 24, 1985
- The Hilton-Davis Chemical Co.
- Robert W. J. Rebhahn
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Electrochromic marking systems
- Patent number 4,561,001
- Issue date Dec 24, 1985
- The Hilton-Davis Chemical Co.
- Michael B. Gunn
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Bis phenyl (2 carboxylic acid or ester indol-3-yl)methanes
- Patent number 4,558,137
- Issue date Dec 10, 1985
- The Hilton-Davis Chemical Co.
- Paul J. Schmidt
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Electrochromic and marking systems
- Patent number 4,551,740
- Issue date Nov 5, 1985
- The Hilton-Davis Chemical Co.
- William M. Hung
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Electrochromic marking systems
- Patent number 4,549,192
- Issue date Oct 22, 1985
- The Hilton-Davis Chemical Co.
- William M. Hung
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Certain 4-substituted-2,6-bis(heteroaryl)pyridines
- Patent number 4,540,790
- Issue date Sep 10, 1985
- The Hilton-Davis Chemical Co.
- Paul J. Schmidt
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Compounds, processes and marking systems
- Patent number 4,539,579
- Issue date Sep 3, 1985
- The Hilton-Davis Chemical Co.
- Paul J. Schmidt
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing quinolinic acid
- Patent number 4,537,971
- Issue date Aug 27, 1985
- The Hilton-Davis Chemical Co.
- Robert W. J. Rebhahn
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for sanitizing toilets
- Patent number 4,536,368
- Issue date Aug 20, 1985
- The Hilton-Davis Chemical Co.
- William M. Hung
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
N-Aminoalkylenesulfonamido substituted disazo colorants
- Patent number 4,536,570
- Issue date Aug 20, 1985
- The Hilton-Davis Chemical Co.
- Nathan N. Crounse
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Method for sanitizing toilets
- Patent number 4,536,367
- Issue date Aug 20, 1985
- The Hilton-Davis Chemical Co.
- William M. Hung
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

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Trademarklast 30 trademarks

Information Trademark
74594569 - HILTON DAVIS
- Serial number 74594569
- Registration number 1975942
- Filing date Nov 3, 1994
- Hilton Davis Chemical Co.
- 1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information Trademark
74594565 - HD
- Serial number 74594565
- Registration number 1943839
- Filing date Nov 3, 1994
- Hilton Davis Chemical Co.
- 1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry

The Hilton-Davis Chemical Co.

Organization

Patents Grantslast 30 patents

Bis{[1-(2-A-2-B)ethenyl]}[2-R.sup.2 -4-X-phenyl-or 1-(2-R.sup.2 -4-...

Indole-phthalide derivatives

Substituted phthalides

9-julolidinyl derivatives and process of preparing them

Marking systems

(2-alkoxy-4-sulfonyl-5-alkylphenyl)azo-1-hydroxynaphthalene sulfoni...

3-(ether and thioether)-3-(indolyl)-phthalides

Imaging systems containing 3-(indol-3-yl)-3-(4-substituted aminophe...

3-amido-7-disubstituted amino-10-carbonylphenothiazines

Fluoran compounds and marking systems

Compositions, process and systems

Triphenylmethane dyestuffs

Substituted indoles

5-substituted-9-disubstituted amino-12-substituted carbonylbenzo[a]...

3-substituted carbonyloxy-7-disubstituted amino-10-substituted carb...

4-substituted amido-8-disubstituted aminoimidazophenoxazines

3-(substituted phenyl)phthalides

Triphenylmethane dyestuff

Electrochromic marking systems

Ultrafiltration process for purification of dyes useful in foodstuffs

Electrochromic marking systems

Bis phenyl (2 carboxylic acid or ester indol-3-yl)methanes

Electrochromic and marking systems

Electrochromic marking systems

Certain 4-substituted-2,6-bis(heteroaryl)pyridines

Compounds, processes and marking systems

Process for preparing quinolinic acid

Method for sanitizing toilets

N-Aminoalkylenesulfonamido substituted disazo colorants

Method for sanitizing toilets

Trademarklast 30 trademarks

74594569 - HILTON DAVIS

74594565 - HD