Patent Application
Utility
App. No. 10/170,399
· Confirmation No. 6894
CEMENTING SUBTERRANEAN ZONES USING CEMENT COMPOSITIONS CONTAINING BIODEGRADABLE DISPERSANTS
Expressly Abandoned -- During Publication Process
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Inventors
Jan Pieter Vijn
Leiderdorp, NETHERLANDS
Christian E. Spindler
Wasserburg am Inn, GERMANY
Gregor Keilhofer
Tacherting, GERMANY
Johann Plank
Trostberg, GERMANY
Attorneys & Agents of Record
Classification
USPC
166/292
C09K8/46
C04B24/287
C04B24/32
C04B2103/0072
Prosecution
- Examiner
- DOUGHERTY, JENNIFER R
- Art Unit
- 3672
- Customer No.
- 28857
- Docket No.
- HES 2000-IP-002275
- Confirmation No.
- 6894
Publication
- Pub. No.
- US20030230407A1
- Pub. Date
- 2003-12-18
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2005-05-23
from
VIJN, JAN PIETER
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2003-04-24
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Quick Facts
- App. No.
- 10/170,399
- Filed
- 2002-06-13
- Pub. No.
- US20030230407A1
- Examiner
- DOUGHERTY, JENNIFER R
- Art Unit
- 3672
External Links