Inventor
Alan R. Katritzky
Inventor
Gainesville, FL, US
Overview
Patents· 46 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C08Gprimary
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds14%
C07CAcyclic or carbocyclic compounds9%
C07DHeterocyclic compounds9%
A61KPreparations for medical, dental or toiletry purposes8%
A61QSpecific use of cosmetics or similar toiletry preparations7%
C08LCompositions of macromolecular compounds5%
C10GCracking hydrocarbon oils5%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds4%
G03GElectrography4%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%
PatentTitleYear
8,673,134'Removal of nitrogen compounds from FCC distillate'20148,480,795'Absorbent composition containing molecules with a hindered amine and a metal sulfonate, phosphonate or carboxylate structure for acid gas scrubbing process'20138,152,903'Hindered cyclic polyamines and their salts for acid gas scrubbing process'20127,776,107'Aminoindolizines, dyeing composition comprising at least one aminoindolizine, methods and uses thereof'20107,718,722'Alkylthio- and aryl(heteroyl)thio-substituted p-phenylenediamines, their manufacture and their use in rubber'20107,538,251'Synthesis of severely sterically hindered secondary aminoether alcohols from a ketene and/or carboxylic acid halide and/or carboxylic acid anhydride'20097,524,990'Synthesis of sterically hindered secondary aminoether alcohols'20097,479,357'Electrophotographic organophotoreceptors with novel charge transport materials'20097,429,680'Synthesis of sterically hindered secondary aminoether alcohols'20087,358,014'Electrophotographic organophotoreceptors with novel charge transport compounds'20087,351,865'Synthesis of sterically hindered secondary aminoether alcohols from acid anhydride and/or acid halide and sulfur trioxide'20087,063,928'Electrophotographic organophotoreceptors with novel charge transport materials'20066,905,804'Electrophotographic organophotoreceptors with novel charge transport materials'20056,849,265'Silicone compositions for personal care products and method for making'20056,849,264'Silicone compositions for personal care products and method for making'20056,844,002'Silicone compositions for personal care products and method for making'20056,841,164'Silicone compositions for personal care products and method for making'20056,752,984'Silicone compositions for personal care products and method for making'20046,544,499'Topical compositions comprising protected functional thiols'20036,495,125'Topical compositions comprising protected functional thiols'20026,488,921'Silicone compositions for personal care products and method for making'20026,362,342'Triazole compounds and methods of making same'20026,217,771'Ion exchange treatment of extraction solvent to remove acid contaminants'20015,856,584'Preparation of 3,3-dimethylbutyraldehyde by oxidation of 3, 3-dimethylbutanol'19995,770,775'Method for preparing 3,3-dimethylbutyraldehyde'19985,684,093'Nitrogen-containing compounds'19975,670,446'Sultine color-former compounds and their use in cabonless copy paper'19975,611,915'Process for removal of heteroatoms under reducing conditions in supercritical water'19975,498,549'Sensors and methods for sensing'19965,409,666'Sensors and methods for sensing'19955,338,442'Process for converting and upgrading organic resource materials in aqueous environments'19945,308,522'Stress activated high load additives for lubricant compositions'19945,298,390'Speed enhancers and stabilizers for photothermography'19945,151,173'Conversion of coal with promoted carbon monoxide pretreatment'19924,997,585'Aromatic substituted benzotriazole containing lubricants having improved oxidation stability'19914,946,962'Bis(thiazolinethiones)'19904,898,923'Polypyridinium copolymer'19904,841,021'Polypyridinium'19894,785,070'Imidazolinone-containing copolymer'19884,740,568'Triazolinethione-containing polymer'19884,667,012'Imidazolinone-containing polymer and copolymer'19874,659,801'Thiazolinethione-containing polymer'19874,624,995'Triazolinethione-containing polymer'19864,368,329'Process of preparing thiopyrylium sensitizing dyes'19834,362,785'Polymers containing 2,5-oxolanylene segments'19824,309,516'Polymers containing 2,5-oxolanylene segments'1982Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1982–1997Patents assigned to MINNESOTA MINING & MFG (15)· patent assignee history
1982Based in Norwich, GB· patent location history
1983–2014Based in Gainesville, FL, US· patent location history
1988Based in St. Paul, MN, US· patent location history
1991–2001Patents assigned to EXXON RESEARCH ENGINEERING CO (6)· patent assignee history
2002–2005Patents assigned to GEN ELECTRIC (6)· patent assignee history
2002–2010Based in Gainsville, FL, US· patent location history
2005–2009Patents assigned to SAMSUNG ELECTRONICS CO LTD (4)· patent assignee history
2008–2014Patents assigned to EXXONMOBIL RES & ENG CO (6)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MINNESOTA MINING & MFG | 15 | 1982–1997 |
| EXXON RESEARCH ENGINEERING CO | 6 | 1991–2001 |
| EXXONMOBIL RES & ENG CO | 6 | 2008–2014 |
| GEN ELECTRIC | 6 | 2002–2005 |
| SAMSUNG ELECTRONICS CO LTD | 4 | 2005–2009 |
Locations
| Location | Patents | Span |
|---|---|---|
| Gainesville, Florida, US | 41 | 1983–2014 |
| Gainsville, Florida, US | 2 | 2002–2010 |
| Norwich, GB | 2 | 1982 |
| St. Paul, Minnesota, US | 1 | 1988 |