Inventor
J. Michael Ramstack
Inventor
Lunenburg, MA, US
Overview
Patents· 45 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
A61Kprimary
A61KPreparations for medical, dental or toiletry purposes23%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations17%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry13%
Y10TTechnical subjects covered by former us classification8%
C07BGeneral methods of organic chemistry6%
C07CAcyclic or carbocyclic compounds6%
C07DHeterocyclic compounds6%
B82YSpecific uses or applications of nanostructures3%
C08JWorking-up3%
B01DSeparation2%
PatentTitleYear
10,342,801Platinum compounds, compositions, and uses thereof201910,328,070Polymorphic forms of naltrexone201910,166,228Polymorphic forms of naltrexone20199,980,958Polymorphic forms of naltrexone20189,827,240Polymorphic forms of naltrexone20179,598,503'Methods and systems for polymer precipitation and generation of particles'20179,556,189'Polymorphic forms of naltrexone'20179,365,580'Polymorphic forms of naltrexone'20169,221,830'Polymorphic forms of naltrexone'20158,975,272'Polymorphic forms of naltrexone'20158,809,492'Method for fabricating nanoparticles'20148,735,420'Polymorphic forms of naltrexone'20148,618,240'Methods and systems for generating nanoparticles'20138,546,521'Method for fabricating nanoparticles'20138,404,799'Methods and systems for generating nanoparticles'20138,389,540'Polymorphic forms of naltrexone'20138,207,290'Methods and systems for generating nanoparticles'20128,187,672'Residual solvent extraction method and microparticles produced thereby'20127,875,310'Residual solvent extraction method and microparticles produced thereby'20117,799,345'Preparation of injectable suspensions having improved injectability'20107,524,530'Residual solvent extraction method and microparticles produced thereby'20097,371,406'Preparation of injectable suspensions having improved injectability'20087,279,579'Polymorphic forms of naltrexone'20077,247,319'Preparation of microparticles having improved flowability'20077,223,440'Residual solvent extraction method and microparticles produced thereby'20076,884,372'Method for preparing microparticles using liquid-liquid extraction'20056,830,737'Apparatus for preparing microparticles using liquid-liquid extraction'20046,824,822'Residual solvent extraction method and microparticles produced thereby'20046,667,061'Preparation of injectable suspensions having improved injectability'20036,596,316'Preparation of microparticles having a selected release profile'20036,534,092'Method for preparing microparticles having a selected polymer molecular weight'20036,495,164'Preparation of injectable suspensions having improved injectability'20026,471,995'Apparatus and method for preparing microparticles using liquid-liquid extraction'20026,403,114'Preparation of biodegradable, biocompatible microparticles containing a biologically active agent'20026,379,704'Method for preparing microparticles having a selected polymer molecular weight'20026,379,703'Preparation of microparticles having a selected release profile'20026,290,983'Preparation of biodegradable, biocompatible microparticles containing a biologically active agent'20016,264,987'Method for preparing microparticles having a selected polymer molecular weight'20016,194,006'Preparation of microparticles having a selected release profile'20016,110,503'Preparation of biodegradable, biocompatible microparticles containing a biologically active agent'20005,916,598'Preparation of biodegradable, biocompatible microparticles containing a biologically active agent'19995,792,477'Preparation of extended shelf-life biodegradable, biocompatible microparticles containing a biologically active agent'19985,650,173'Preparation of biodegradable microparticles containing a biologically active agent'19974,769,150'Method and apparatus for plasmapheresis by reciprocatory pulsatile filtration'19884,753,733'Plasmapheresis method and apparatus for overcoming membrane fouling'1988Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1988Based in West Chester, PA, US· patent location history
1997–2015Patents assigned to ALKERMES INC (29)· patent assignee history
1997–2007Based in Lebanon, OH, US· patent location history
2004–2019Based in Lunenburg, MA, US· patent location history
2012–2019Patents assigned to ALKERMES PHARMA IRELAND LTD (8)· patent assignee history
2012–2017Patents assigned to CERULEAN PHARMA INC (6)· patent assignee history
2012–2017Patents assigned to RAMSTACK J MICHAEL (6)· patent assignee history
2012–2013Patents assigned to PODOBINSKI JOHN (3)· patent assignee history
2017Based in Lunenberg, MA, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ALKERMES INC | 29 | 1997–2015 |
| ALKERMES PHARMA IRELAND LTD | 8 | 2012–2019 |
| CERULEAN PHARMA INC | 6 | 2012–2017 |
| RAMSTACK J MICHAELself | 6 | 2012–2017 |
| PODOBINSKI JOHN | 3 | 2012–2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Lunenburg, Massachusetts, US | 25 | 2004–2019 |
| Lebanon, OH, US | 17 | 1997–2007 |
| West Chester, Pennsylvania, US | 2 | 1988 |
| Lunenberg, Massachusetts, US | 1 | 2017 |