Inventor
David J. Tracy
Inventor
Lincoln Park, NJ, US
Overview
Patents· 53 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C11Dprimary
C11DDetergent compositions16%
C07DHeterocyclic compounds14%
A61KPreparations for medical, dental or toiletry purposes11%
A61QSpecific use of cosmetics or similar toiletry preparations11%
C09KMaterials for miscellaneous applications, not provided for elsewhere9%
C07CAcyclic or carbocyclic compounds8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds5%
A01NPreservation of bodies of humans or animals or plants or parts thereof5%
D06MTreatment, not provided for elsewhere in class d06, of fibres, threads, yarns, fabrics, feathers or fibrous goods made from such materials4%
PatentTitleYear
6,204,297'Nonionic gemini surfactants'20016,121,222'Anionic surfactants having multiple hydrophobic and hydrophilic groups'20006,057,282'High purity imidazoline-based amphoacetate surfactants'20006,057,463'N-acylaminoalkane sulfonate and amphoteric surfactant blends and methods for preparing the same'20005,952,291'Process for the preparation of high purity imidazoline based amphoacetate surfactants'19995,952,290'Anionic gemini surfactants and methods for their preparation'19995,945,393'Nonionic gemini surfactants'19995,922,671'Anionic surfactants having multiple hydrophobic and hydrophilic groups'19995,914,310'Amphoteric surfactants having multiple hydrophobic and hydrophilic groups'19995,900,397'Nonylphenol nonionic gemini surfactants'19995,863,886'Nonionic gemini surfactants having multiple hydrophobic and hydrophilic sugar groups'19995,846,926'Nonionic gemini surfactants with three hydrophilic heads and two lipophilic tails'19985,837,668'Acyloxyalkane sulfonate and amphoteric surfactant blend compositions and methods for preparing same'19985,811,384'Nonionic gemini surfactants'19985,789,371'Amphoteric surfactants having multiple hydrophobic and hydrophilic groups'19985,783,554'Cleaning compositions containing anionic surfactants having multiple hydrophobic and hydrophilic groups'19985,744,063'Higher purity imidazoline based amphoacetate surfactants and processes for the preparation thereof'19985,710,121'Anionic surfactants having multiple hydrophobic and hydrophilic groups'19985,656,586'Amphoteric surfactants having multiple hydrophobic and hydrophilic groups'19975,643,864'Anionic surfactants having multiple hydrophobic and hydrophilic groups'19975,643,498'Quaternary cationic surfactants having multiple hydrophobic and hydrophilic groups'19975,300,665'Process for preparing fatty acid esters and amides of sulfonic acid salts'19945,294,644'Surface active lactams'19945,156,837'Cosmetic compositions containing quaternized nitrogen compounds'19925,110,585'Quaternized nitrogen containing polycyclic compounds'19925,093,031'Surface active lactams'19925,011,941'Quaternized nitrogen containing compounds'19915,008,104'Quaternized nitrogen containing compounds'19914,886,890'Diquarternary nitrogen compounds'19894,885,371'Process for the preparation of purified N-alkyl lactams'19894,885,158'Heat stable quaternized lactams having oxylated sulfur anions'19894,883,655'Quaternized nitrogen containing polycyclic compounds'19894,842,858'Polymeric halophors'19894,837,013'Quaternized nitrogen containing compounds'19894,834,970'Cosometic compositions containing quaternized nitrogen containing compound'19894,830,851'Polymeric halophors'19894,830,850'Quaternized nitrogen containing compounds'19894,806,609'Pyrrolidonyl acrylate block polymers'19894,801,400'Epoxy pyrrolidone based non-ionic surfactants'19894,792,604'Manufacture of haloalkyl lactams'19884,760,152'Pyrrolidonyl acrylate block polymers'19884,732,990'Quaternized nitrogen containing compounds'19884,713,463'Synthesis of n-epoxypropyl lactams'19874,698,412'Lactam copolymers'19874,313,764'Isocyanate polyoxyalkylenes'19824,294,848'Thiocyano-containing polyoxyalkylenes'19814,278,821'.omega.,.omega.-Bis(dialkylhydroxyphenyl) alkanols as intermediates in making effective antioxidants'19814,261,912'Ester of .omega.,.omega.-bis(dialkylhydroxyphenyl) alkanols as effective antioxidants'19814,259,474'Sulfur-containing polyoxyalkylenes'19814,255,561'Sulfide polymers of polyoxyalkylenes'19814,138,571'Nitrophenyl imino propionates'19794,129,739'Amidine compounds'19784,113,954'Process for the preparation of 3-anilino-5-pyrazolones'1978Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1978–1989Patents assigned to GAF CORP (24)· patent assignee history
1978–1992Based in Lincoln Park, NJ, US· patent location history
1989–1991Patents assigned to GAF CHEMICALS CORP (3)· patent assignee history
1992–1994Patents assigned to ISP INVESTMENTS INC (4)· patent assignee history
1994–2001Based in Plainsboro, NJ, US· patent location history
1997–1998Patents assigned to RHONE POULENC INC (5)· patent assignee history
1998–2001Patents assigned to RHODIA (16)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GAF CORP | 24 | 1978–1989 |
| RHODIA | 16 | 1998–2001 |
| RHONE POULENC INC | 5 | 1997–1998 |
| ISP INVESTMENTS INC | 4 | 1992–1994 |
| GAF CHEMICALS CORP | 3 | 1989–1991 |
Locations
| Location | Patents | Span |
|---|---|---|
| Lincoln Park, New Jersey, US | 30 | 1978–1992 |
| Plainsboro, New Jersey, US | 23 | 1994–2001 |