Inventor
Stanley R. Sandler
Inventor
Springfield, PA, US
Overview
Patents· 51 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Cprimary
C07CAcyclic or carbocyclic compounds33%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds15%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients14%
C07DHeterocyclic compounds8%
D06MTreatment, not provided for elsewhere in class d06, of fibres, threads, yarns, fabrics, feathers or fibrous goods made from such materials7%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests5%
A01NPreservation of bodies of humans or animals or plants or parts thereof2%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds2%
C08JWorking-up2%
C09KMaterials for miscellaneous applications, not provided for elsewhere2%
PatentTitleYear
5,741,934'Preparation of primary mercaptans'19985,618,976'Alkanesulfonamides from ammonium alkanesulfonates'19975,614,650'Zirconium compounds of sulfonic acids'19975,453,543'Process for the manufacture of high purity linear C.sub.4 + alkyl mercaptans'19955,436,373'Process for the preparation of N-benzyl-N-organoaminoalkanol'19955,430,180'Preparation of propanone-1,3-disulfonic acid'19955,319,136'Preparation of pure ammonium thioglycolate'19945,294,743'Process for the transfer of alkyl groups in dialkyl trisulfides and mercaptans'19945,264,631'Process for the preparation of unsymmetrical alkyl trisulfides and products'19935,166,431'Preparation of alkanesulfonamides'19925,117,051'Preparation of alkanedisulfonic acids'19925,068,427'Process for the preparation of alkane- and arenesulfonamides'19915,053,149'Method for dewaxing oil and gas pipelines or wells'19915,025,104'2,4-pentanedione-1-sulfonic acid and method for preparing the same'19915,015,776'Preparation of 3-(alkylthio) aldehydes'19914,987,249'2,4-pentanedione-1,5-disulfonic acid and method for preparing the same'19914,970,339'Preparation of alkanesulfonamides'19904,944,853'Photochemical preparation of 3-(organothio) aldehydes'19904,906,280'Tertiary butylhydrazides as plant growth regulators'19904,904,739'Poly(fluoroacetylene) containing polymers'19904,845,270'Propanone 1,3-disulfonic acid as an esterification catalyst'19894,812,596'Process for the conversion of t-alkylphenol waste distillation bottoms to para-t-alkylphenol'19894,678,842'Poly(fluoroacetylene) containing polymers'19874,546,205'Stabilization of aldehydes'19854,486,551'Method of preparing a flame retarded polyurethane using a flame retarded halogenated polyol'19844,397,977'Tetrahalophthalates as flame retardant plasticizers for halogenated resins'19834,393,248'Flame retarded halogenated polyol'19834,356,274'Smoke suppressed rigid polyurethane foam'19824,349,688'Polyoxyalkylene polycarboxylate esters'19824,324,910'Substituted urea compound containing 2,2,2-trichloro-1-hydroxyethyl group'19824,307,010'Zeolites as smoke suppressants for halogenated polymers'19814,302,340'Flame retardant polyol compositions and their preparation'19814,299,782'Phosphorus derivatives of 1,3-diethanolurea'19814,298,517'Tetrahalophthalates as flame retardant plasticizers for halogenated resins'19814,293,454'Process for reacting chloral with nitrogen compositions'19814,290,765'Polyoxyalkylene polycarboxylate esters and a method of treating polyester fabric'19814,276,387'Ureas containing the 2,2,2-trichloroethyl group as flame retardants for polyurethane foams'19814,226,948'2-Trichloromethyloxazolidine and thiazolidine derivatives useful as flame retardants for polyurethane foam'19804,208,321'Polyamide resins flame retarded by poly(metal phosphinate)s'19804,208,322'Polyester-polyamide resins flame retarded by poly(metal phosphinate)s'19804,197,373'Melamine derivatives as flame retardants for polyurethanes'19804,180,495'Polyester resins flame retarded by poly(metal phosphinate)s'19794,157,329'Copper and cobalt carbonates as smoke suppressants for poly(vinyl halides)'19794,152,497'Compounds containing the 2,2,2-trichloroethyl group as flame retardants for polyurethanes'19794,125,733'2,3-Dibromopropyl polyoxyethylene trimellitate'19784,098,704'Polyoxyalkylene tetrahalophthalate ester as textile finishing agent'19784,065,630'Polyoxyalkylene fluoroalkyltrimellitates'19774,063,024'Polyoxyalkylene fluoroalkyltrimellitates'19774,049,612'Metal phosphinates as smoke retardants for polyvinyl halides'19774,011,194'Smoke retardants for polyvinyl halides and polystyrenes'19773,994,951'Polyoxyalkylene fluoroalkyltrimellitates'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–1990Patents assigned to PENNWALT CORP (34)· patent assignee history
1976–1997Based in Springfield, PA, US· patent location history
1990–1992Patents assigned to ATOCHEM NORTH AMERICA (7)· patent assignee history
1992–1997Patents assigned to ATOCHEM NORTH AMERICA ELF (7)· patent assignee history
1995Patents assigned to ELF ATOCHEM N A INC (1)· patent assignee history
1997Based in Delaware County, PA, US· patent location history
1998Based in Springifeld, DE, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| PENNWALT CORP | 34 | 1976–1990 |
| ATOCHEM NORTH AMERICA | 7 | 1990–1992 |
| ATOCHEM NORTH AMERICA ELF | 7 | 1992–1997 |
| ELF ATOCHEM N A INC | 1 | 1995 |
Locations
| Location | Patents | Span |
|---|---|---|
| Springfield, Pennsylvania, US | 49 | 1976–1997 |
| Springifeld, Delaware, US | 1 | 1998 |
| Delaware County, Pennsylvania, US | 1 | 1997 |