Patent US3395137A successfully refreshed from Google Patents.
US3395137A
Expired / Lapsed
US
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Process for rendering high molecular weight compounds resistant to electrostatic charge
Assignee: Hoechst AG
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Filing: 1965-09-21
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Granted: 1968-07-30
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Expires: 1985-09-21
Abstract
No abstract record available.
Inventors
- 👤 Reindl Eugen
- 👤 Rummert Gunter
- 👤 Schleede Dietrich
- 👤 Schulde Felix
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:46
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/547; C07F9/6564; C07F9/6571; C07F9/657154; C07F9/06; C07F9/22; C07F9/222; C07F9/24; C07F9/2404; C07F9/2433; C07F9/245; C07F9/6581; C07F9/659; C08; C08K; C08K5/00; C08K5/49; C08K5/5399; C09; C09K; C09K3/00; C09K3/16; Y; Y10; Y10S; Y10S260/00; Y10S260/15; Y10S260/19; Y10S524/00; Y10S524/91
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
A PROCESS FOR RENDERING HIGH MOLECULAR WEIGHT ORGANIC COMPOUNDS RESISTANT TO ELECTROSTATIC CHARGE WHICH COMPRISES INCORPORATING INTO THE HIGH MOLECULAR WEIGHT ORGANIC COMPOUND AT LEAST ONE POLYMER OF AN N-ALKYL SUBSTITUTED PHOSPHORIC ACID AMIDE IN WHICH AMIDE THE P-ATOMS ARE CHEMICALLY BONDED THROUGH OXYGEN OR NITROGEN ATOMS AND THE PROPORTION OF P:N IS FROM 1:1 TO 1:2 AND WHEREIN THE N-ALKYLAMIDE GROUPS HAVE THE FORMULA
Claim 2
Dependent Claim
65 words
A PROCESS FOR RENDERING HIGH MOLECULAR WEIGHT ORGANIC COMPOUNDS RESISTANT TO ELECTROSTATIC CHARGE WHICH COMPRISES INCORPORATING INTO THE HIGH MOLECULAR WEIGHT ORGANIC COMPOUND AT LEAST ONE POLYMER OF AN N-ALKYL SUBSTITUTED PHOSPHORIC ACID AMIDE IN WHICH AMIDE THE P-ATOMS ARE CHEMICALLY BONDED THROUGH OXYGEN OR NITROGEN ATOMS AND THE PROPORTION OF P:N IS FROM 1:1 TO 1:2 AND WHEREIN THE N-ALKYLAMIDE GROUPS HAVE THE FORMULA
References Cited (Backward Citations)
NL6414876A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-30 | 1972-01-29 | 1972-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-30 | 1976-01-29 | 1976-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-30 | 1980-01-29 | 1980-07-30 | $7700.00 | Window Closed / Lapsed |