Patent Application
Provisional
App. No. 61/638,142
· Confirmation No. 2686
SYNERGISTIC COMBINATION OF A FLUID LOSS ADDITIVE AND RHEOLOGY MODIFIER
Provisional Application Expired
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⬇ PDF
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Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2012-05-14 | APP.FILE.REC |
Filing Receipt | 3 | View | |
| 2012-04-25 | TR.PROV |
Provisional Cover Sheet (SB16) | 4 | View | |
| 2012-04-25 | SPEC |
Specification | 43 | View | |
| 2012-04-25 | CLM |
Claims | 3 | View | |
| 2012-04-25 | ABST |
Abstract | 1 | View | |
| 2012-04-25 | WFEE |
Fee Worksheet (SB06) | 2 | View | |
| 2012-04-25 | N417 |
Electronic Filing System Acknowledgment Receipt | 2 | View |
Inventors
Jun Zheng
Morris Plains, NJ
Janice Jianzhao Wang
Yorktown Heights, NY
David Farrar
West Yorkshire, UNITED KINGDOM
Catherine Silver
Leeds, UNITED KINGDOM
Bob Cockcroft
Bradford, UNITED KINGDOM
Attorneys & Agents of Record
Prosecution
- Customer No.
- 67749
- Docket No.
- 3521PROV
- Confirmation No.
- 2686
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2013-05-10
ASHLAND LICENSING AND INTELLECTUAL PROPERTY LLC,
AQUALON COMPANY,
ISP INVESTMENTS INC.,
HERCULES INCORPORATED
RELEASE OF PATENT SECURITY AGREEMENT
Recorded 2013-03-18
SECURITY AGREEMENT
Recorded 2012-05-22
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Quick Facts
- App. No.
- 61/638,142
- Filed
- 2012-04-25
External Links