Patent US4345510A successfully refreshed from Google Patents.
Patent US3023228A successfully refreshed from Google Patents.
US3023228A
Expired / Lapsed
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Production of urethane polyisocyanateurea diisocyanate mixtures
Assignee: Bayer AG
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Filing: 1957-05-23
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Granted: 1962-02-27
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Expires: 1977-05-23
Abstract
No abstract record available.
Inventors
- 👤 Wagner Kuno
- 👤 Bayer Otto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:16
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/70; C08G18/72; C08G18/80; C08G18/8003; C08G18/8054; C08G18/8058; C08G18/8006; C08G18/8009; C08G18/8035; C08G18/8045
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
88 words
AN SOLID PARTICULATE NON-RESINOUS MIXTURE OF UREA DIISOCYANATES AND URETHANE DIISOCYANATES PREPARED BY REACTING IN AN INERT SOLVENT AN ARYLENE DIISOCYANATE HAVING -NCO GROUPS OF UNEQUAL REACTIVITY, SUBSTANTAILLY SIMULTANEOUSLY WITH WATER AND A POLYHYDRIC ALCOHOL HAVING FORM TWO TO THREE HYDROXYL GROUPS, THE RATIO OF WATER TO POLYHYDRIC ALCOHOL BEING WITHIN THE RANGE OF FROM ABOUT 0.5 MOL TO ABOUT 10 MOLS WATTER PER MOL OF POLYHYDRIC ALCOHOL, THE TOTAL MOLS OF WATER AND POLYHYDRIC ALCOHOL HYDROXYL GROUPS BEING LESS THAN EQUIVALENT TO THE MOLS OF ORGANIC DIISOCYANATE.
Claim 2
Dependent Claim
88 words
AN SOLID PARTICULATE NON-RESINOUS MIXTURE OF UREA DIISOCYANATES AND URETHANE DIISOCYANATES PREPARED BY REACTING IN AN INERT SOLVENT AN ARYLENE DIISOCYANATE HAVING -NCO GROUPS OF UNEQUAL REACTIVITY, SUBSTANTAILLY SIMULTANEOUSLY WITH WATER AND A POLYHYDRIC ALCOHOL HAVING FORM TWO TO THREE HYDROXYL GROUPS, THE RATIO OF WATER TO POLYHYDRIC ALCOHOL BEING WITHIN THE RANGE OF FROM ABOUT 0.5 MOL TO ABOUT 10 MOLS WATTER PER MOL OF POLYHYDRIC ALCOHOL, THE TOTAL MOLS OF WATER AND POLYHYDRIC ALCOHOL HYDROXYL GROUPS BEING LESS THAN EQUIVALENT TO THE MOLS OF ORGANIC DIISOCYANATE.
Claim 3
Dependent Claim
120 words
A SOLID PARTICULATE NON-RESINOUS MIXTURE OF UREA DIISOCYANATES AND URETHANE DIISOCYANATES PREPARED BY REACTING IN AN INERT SOLVENT, AN ORGANIC DIISOCYANATE SELECTED FROM THE GROUP CONSISTING OF ARYLENE DIISOCYANATES HAVING -NCO GROUPS OF UNEQUAL REACTIVITY AND A MIXTURE THEREOF WITH FROM ABOUT 10 TO ABOUT 30 PERCENT BY WEIGHT OF AN ARYLENE DIISOCYANATE HAVING-NCO GROUPS OF SUBSTANTIALLY EQUAL REACTIVITY, SUBSTANTIALLY SIMULTANEOUSLY WITH WATER AND A POLYHYDRIC ALCOHOL HAVING FROM TWO TO THREE HYDROXYL GROUPS, THE RATIO OF WATER TO POLYHYDRIC ALCOHOL BEING WITHIN THE RANGE OF FROM ABOUT 0.5 MOL TO ABOUT 10 MOLS WATER PER MOL OF POLYHYDRIC ALCOHOL, THE TOTAL MOLS OF WATER AND POLYHYDRIC ALCOHOL HYDROXYL GROUPS BEING LESS THAN EQUIVALENT TO THE MOLS OF ORGANIC DIISOCYANATE.
Claim 4
Dependent Claim
120 words
A SOLID PARTICULATE NON-RESINOUS MIXTURE OF UREA DIISOCYANATES AND URETHANE DIISOCYANATES PREPARED BY REACTING IN AN INERT SOLVENT, AN ORGANIC DIISOCYANATE SELECTED FROM THE GROUP CONSISTING OF ARYLENE DIISOCYANATES HAVING -NCO GROUPS OF UNEQUAL REACTIVITY AND A MIXTURE THEREOF WITH FROM ABOUT 10 TO ABOUT 30 PERCENT BY WEIGHT OF AN ARYLENE DIISOCYANATE HAVING-NCO GROUPS OF SUBSTANTIALLY EQUAL REACTIVITY, SUBSTANTIALLY SIMULTANEOUSLY WITH WATER AND A POLYHYDRIC ALCOHOL HAVING FROM TWO TO THREE HYDROXYL GROUPS, THE RATIO OF WATER TO POLYHYDRIC ALCOHOL BEING WITHIN THE RANGE OF FROM ABOUT 0.5 MOL TO ABOUT 10 MOLS WATER PER MOL OF POLYHYDRIC ALCOHOL, THE TOTAL MOLS OF WATER AND POLYHYDRIC ALCOHOL HYDROXYL GROUPS BEING LESS THAN EQUIVALENT TO THE MOLS OF ORGANIC DIISOCYANATE.
Claim 5
Dependent Claim
113 words
A SOLID PARTICULATE NON-RESINOUS MIXTURE OF UREA DIISOCYANATES AND URETHANE DIISOCYANATES PREPARED BY REACTING IN AN INERT SOLVENT, AN ORGANIC DIISOCYANATE SELECTED FROM THE GROUP CONSISTING OF ARYLENE DIISOCYANATES HAVING -NCO GROUPS OF UNEQUAL REACTIVITY AND A MIXTURE THEREOF WITH FORM ABOUT 10 TO ABOUT 30 PERCENT BY WEIGHT OF HEXAMETHYLENE DIISOCYANATE SUBSTANTIALLY SIMULTANEOUSLY WITH WATER AND A POLYDRIC ALCOHOL HAVING FROM TWO TO THREE HYDROCYL GROUPS, THE RATIO OF WATER TO POLYHYDRIC ALCOHOL BEING WITHIN THE RANGE OF FRROM ABOUT 0.5 MOL TO ABOUT 10 MOLS WATER PER MOL OF POLYHYDRIC ALCOHOL, THE TOTAL MOLS OF WATER AND POLYHYDRIC ALCOHOL HYDROXYL GROUPS BEING LESS THAN EQUIVALENT TO THE MOLS OF ORGANIC DIISOCYANATE.
Claim 6
Dependent Claim
113 words
A SOLID PARTICULATE NON-RESINOUS MIXTURE OF UREA DIISOCYANATES AND URETHANE DIISOCYANATES PREPARED BY REACTING IN AN INERT SOLVENT, AN ORGANIC DIISOCYANATE SELECTED FROM THE GROUP CONSISTING OF ARYLENE DIISOCYANATES HAVING -NCO GROUPS OF UNEQUAL REACTIVITY AND A MIXTURE THEREOF WITH FORM ABOUT 10 TO ABOUT 30 PERCENT BY WEIGHT OF HEXAMETHYLENE DIISOCYANATE SUBSTANTIALLY SIMULTANEOUSLY WITH WATER AND A POLYDRIC ALCOHOL HAVING FROM TWO TO THREE HYDROCYL GROUPS, THE RATIO OF WATER TO POLYHYDRIC ALCOHOL BEING WITHIN THE RANGE OF FRROM ABOUT 0.5 MOL TO ABOUT 10 MOLS WATER PER MOL OF POLYHYDRIC ALCOHOL, THE TOTAL MOLS OF WATER AND POLYHYDRIC ALCOHOL HYDROXYL GROUPS BEING LESS THAN EQUIVALENT TO THE MOLS OF ORGANIC DIISOCYANATE.
Claim 7
Independent Claim
125 words
A METHOD FOR MAKING A SOLID PARTICULATE NON-RESINOUS MIXTURE OF UREA DIIXOCYANATES AND URETHANE DIISOCYANATES PREPARED BY REACTING IN AN INERT SOLVENT, AN ORGANIC DIISOCYANATE SELECTED FROM THE GROUP CONSISTING OF ARYLENE DIISOCYANATES HAVING -NCO GROUPS OF UREQUAL REACTIVITY AND A MIXTURE THEREOF WITH FROM ABOUT 10 TO ABOUT 30 PERCENT BY WEIGHT OF AN ARYLENE DIISOCYANATE HAVING -NCO GROUPS OF SUBSTANTIALLY EQUAL REACTIVITY, SUBSTANTIALLY SIMULTANEOUSLY WITH WATER AND A POLYHYDRIC ALCOHOL HAVING FROM TWO TO THREE HYDROXYL GROUPS, THE RATIO OF WATER TO POLYDRIC ALCOHOL BEING WITHIN THE RANGE OF FROM ABOUT 0.5 MOL TO ABOUT 10 MOLS WATER PER MOL OF POLYHYDROC ALCOHOL, THE TOTAL MOLS OF WATER AND POLYHYDRIC ALCOHOL HYDROXY GROUPS BEING LES THAN EQUIVALENT TO THE MOLS OF ORGANIC DIISOCYANATE.
Claim 8
Independent Claim
125 words
A METHOD FOR MAKING A SOLID PARTICULATE NON-RESINOUS MIXTURE OF UREA DIIXOCYANATES AND URETHANE DIISOCYANATES PREPARED BY REACTING IN AN INERT SOLVENT, AN ORGANIC DIISOCYANATE SELECTED FROM THE GROUP CONSISTING OF ARYLENE DIISOCYANATES HAVING -NCO GROUPS OF UREQUAL REACTIVITY AND A MIXTURE THEREOF WITH FROM ABOUT 10 TO ABOUT 30 PERCENT BY WEIGHT OF AN ARYLENE DIISOCYANATE HAVING -NCO GROUPS OF SUBSTANTIALLY EQUAL REACTIVITY, SUBSTANTIALLY SIMULTANEOUSLY WITH WATER AND A POLYHYDRIC ALCOHOL HAVING FROM TWO TO THREE HYDROXYL GROUPS, THE RATIO OF WATER TO POLYDRIC ALCOHOL BEING WITHIN THE RANGE OF FROM ABOUT 0.5 MOL TO ABOUT 10 MOLS WATER PER MOL OF POLYHYDROC ALCOHOL, THE TOTAL MOLS OF WATER AND POLYHYDRIC ALCOHOL HYDROXY GROUPS BEING LES THAN EQUIVALENT TO THE MOLS OF ORGANIC DIISOCYANATE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-26 | 1965-08-28 | 1966-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-26 | 1969-08-28 | 1970-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-26 | 1973-08-28 | 1974-02-27 | $7700.00 | Window Closed / Lapsed |