US3847843A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermostabilizers
Assignee: Knapsack AG
•
Filing: 1973-01-04
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Granted: 1974-11-12
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Expires: 1993-01-04
Abstract
Abstract 1. A RPOCESS FOR STABILIZING FLAME-PROOFING AGENT CONTAINING PHOSPHORUS AND HALOGEN IN THE PRODUCTION OF POLYURETHANE FOAM PLASTICS, WHICH COMPRISES ADDING TO A POLYURETHANE FOAM FORMING REACTION MIXTURE HAVING SAID FLAME-PROOFING AGENT THEREIN AT LEAST ONE STABILIZER SELECTED FROM THE GROUP CONSISTING OF OLEIC ACID ETHYLESTER, MALIEIC ACID DIMETHYLESTER, DODECENE-(1), OLEYL ALCOHOL AND SOY OIL.
Inventors
- 👤 J Kandler
- 👤 J Laubner
- 👤 F Dany
- 👤 J Wortmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:39
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/0014; C08K; C08K5/00; C08K5/0008; C08K5/005; C08K5/01; C08K5/04; C08K5/05; C08K5/10; C08K5/11; C08K5/49; C08K5/51; C08K5/52; C08L; C08L75/00; C08L75/04; C08L91/00; C08J2375/00; C08J2375/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
A RPOCESS FOR STABILIZING FLAME-PROOFING AGENT CONTAINING PHOSPHORUS AND HALOGEN IN THE PRODUCTION OF POLYURETHANE FOAM PLASTICS, WHICH COMPRISES ADDING TO A POLYURETHANE FOAM FORMING REACTION MIXTURE HAVING SAID FLAME-PROOFING AGENT THEREIN AT LEAST ONE STABILIZER SELECTED FROM THE GROUP CONSISTING OF OLEIC ACID ETHYLESTER, MALIEIC ACID DIMETHYLESTER, DODECENE-(1), OLEYL ALCOHOL AND SOY OIL.
Claim 2
Dependent Claim
54 words
A RPOCESS FOR STABILIZING FLAME-PROOFING AGENT CONTAINING PHOSPHORUS AND HALOGEN IN THE PRODUCTION OF POLYURETHANE FOAM PLASTICS, WHICH COMPRISES ADDING TO A POLYURETHANE FOAM FORMING REACTION MIXTURE HAVING SAID FLAME-PROOFING AGENT THEREIN AT LEAST ONE STABILIZER SELECTED FROM THE GROUP CONSISTING OF OLEIC ACID ETHYLESTER, MALIEIC ACID DIMETHYLESTER, DODECENE-(1), OLEYL ALCOHOL AND SOY OIL.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-11-11 | 1978-05-13 | 1978-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-11-11 | 1982-05-13 | 1982-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-11-11 | 1986-05-13 | 1986-11-12 | $7700.00 | Window Closed / Lapsed |