Granted Patent
Utility
US 6,469,112
· Confirmation No. 2037
(CYCLOALKYL) METHYL SILANES AS EXTERNAL DONORS FOR POLYOLEFIN CATALYSTS
Inventors
Chung-Ping Cheng
League City, TX
Michael D. Spencer
Houston, TX
Classification
USPC
526/124.3
Prosecution
- Examiner
- CHOI, LING SIU
- Art Unit
- 1713
- Docket No.
- 4613
- Confirmation No.
- 2037
Publication
- Pub. No.
- US20020028893A1
- Pub. Date
- 2002-03-07
Patent Term Adjustment
0days
Parent
Claims priority from a provisional application
→
App. 60/227,001
Filed 2000-08-22
· Provisional Application Expired
Child
PCT
is a Continuation of
→
PCT/US2001/025823
Filed 2001-08-17
· PCT - IPER (International Preliminary Examination Report) 409-416 Mailed
Child
PCT
is a Continuation of
→
PCT/US2001/025931
Filed 2001-08-20
· PCT - IPER (International Preliminary Examination Report) 409-416 Mailed
RELEASE OF SECURITY INTEREST
Recorded 2021-09-23
SECURITY INTEREST
Recorded 2018-04-03
from
BASF CATALYSTS LLC
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2016-10-22
from
BASF CORPORATION
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2016-10-22
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2001-08-15
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Quick Facts
- Patent No.
- US 6,469,112
- App. No.
- 09/930,520
- Filed
- 2001-08-15
- Granted
- 2002-10-22
- Pub. No.
- US20020028893A1
- Examiner
- CHOI, LING SIU
- Art Unit
- 1713
- PTA
- 0 days
External Links