Inventor
David H. Steinberg
Inventor
Bronx, NY, US
Overview
Patents· 23 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C08Kprimary
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients21%
C07CAcyclic or carbocyclic compounds14%
C10MLubricating compositions14%
C09KMaterials for miscellaneous applications, not provided for elsewhere11%
C07DHeterocyclic compounds10%
C10NIndexing scheme associated with subclass c10m relating to lubricating compositions10%
A61KPreparations for medical, dental or toiletry purposes4%
A61QSpecific use of cosmetics or similar toiletry preparations4%
G03CPhotosensitive materials for photographic purposes3%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations1%
PatentTitleYear
8,252,749'Methods, kits, and compositions for generating new hair follicles and growing hair'20125,888,486'Antiperspirant compositions'19995,274,170'Substituted benzophenone stabilizers'19935,198,134'Substituted naphthalenediamine stabilizers'19935,147,568'Substituted 2,3-dihydroperimidine stabilizers'19925,145,766'Process for stabilizing magenta couplers and the corresponding image dyes in photographic materials'19925,012,003'Process for preparing dithiobisphenols'19914,797,218'Stabilizer thiirane derivatives containing hindered phenol groups'19894,724,248'Voltage stabilizing esters and urethanes'19884,713,475'Long chain (4-hydroxyphenyl) propanoate stabilizers'19874,618,440'Substituted 4-hydroxybenzylthio aldehyde and ketone stabilizers'19864,617,404'Process for preparing stabilizers containing sulfur and a hindered phenol group'19864,534,874'Anti-oxidative, anti-thermal, and anti-actinic degradation amides of hydroxyphenylalkylthio alkanoic acids, compositions, and method of use therefor'19854,233,209'Hindered phenol hydrazones and compositions stabilized therewith'19804,125,516'Alkylthioalkanoyloxyalkyl and alkylthioalkyl substituted bis-hydantoin compounds'19784,071,497'Hindered hydroxyphenylalkanoates of thioether isopropanols and stabilized compositions'19784,058,502'Stabilized compositions containing hindered hydroxyalkanoates'19774,032,562'3,5-Dialkyl-4-hydroxyphenylalkanoic acid esters of polyalkylene glycols'19774,001,299'Hindered hydroxyphenylalkanoates of substituted isopropanols'19773,987,086'Hindered hydroxyphenylalkanoates of substituted vicinal glycols'19763,962,313'Cycloaliphatic alkylhydroxyphenylalkanoates'19763,961,054'Combatting dandruff with mercapto quinoline N-oxides'19763,954,839'Hindered hydroxyphenylalkanoates of thioether isopropanols'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1993Patents assigned to CIBA GEIGY CORP (20)· patent assignee history
1976Patents assigned to DEXTER MARTIN (1)· patent assignee history
1976–1993Based in Bronx, NY, US· patent location history
1985–1989Based in New York, NY, US· patent location history
1999Patents assigned to HANSOTECH INC (1)· patent assignee history
1999Based in Plainsboro, NJ, US· patent location history
2012Patents assigned to COTSARELIS GEORGE (1)· patent assignee history
2012Patents assigned to FOLLICA INC (1)· patent assignee history
2012Based in Milton, MA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CIBA GEIGY CORP | 20 | 1976–1993 |
| COTSARELIS GEORGE | 1 | 2012 |
| DEXTER MARTIN | 1 | 1976 |
| FOLLICA INC | 1 | 2012 |
| HANSOTECH INC | 1 | 1999 |
Locations
| Location | Patents | Span |
|---|---|---|
| Bronx, New York, US | 15 | 1976–1993 |
| New York, New York, US | 6 | 1985–1989 |
| Milton, Massachusetts, US | 1 | 2012 |
| Plainsboro, New Jersey, US | 1 | 1999 |