Patent Application
Provisional
App. No. 60/842,833
· Confirmation No. 9671
Strong-acid cation exchange resins
Inventor:
Johann-Wilhelm Frey
Provisional Application Expired
Inventors
Johann-Wilhelm Frey
Stade, GERMANY
Attorneys & Agents of Record
Prosecution
- Customer No.
- 109
- Docket No.
- 63951 US
- Confirmation No.
- 9671
Child
PCT
Claims priority from a provisional application
→
PCT/US2007/016291
Filed 2007-07-18
· RO PROCESSING COMPLETED-PLACED IN STORAGE
Child
Claims priority from a provisional application
→
App. 12/377,013
· US 7,989,514
Filed 2009-02-10
· Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
from
FREY, JOHANN-WILHELM
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2009-04-22
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2009-04-22
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Quick Facts
- App. No.
- 60/842,833
- Filed
- 2006-09-07
External Links