US3320197A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of producing concentrated aqueous emulsions of water-insoluble substances and emulsions produced by such process
Assignee: Chemische Fabrik Pfersee GmbH
•
Filing: 1964-03-18
•
Granted: 1967-05-16
•
Expires: 1984-03-18
Abstract
No abstract record available.
Inventors
- 👤 Enders Heinz
- 👤 Deiner Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 05:06
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/643; D06M15/65; C; C08; C08G; C08G59/00; C08G59/18; C08G59/40; C08G59/50; C08J; C08J3/00; C08J3/02; C08J3/03; C08L; C08L83/00; C08L83/04; C09; C09K; C09K23/00; C09K23/16; C09K23/54; C08G77/00; C08G77/04; C08G77/12; C08G77/14; C08G77/16; C08G77/18; C08G77/70
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
THE PROCESS OF PRODUCING CONCENTRATED AQUEOUS EMULSIONS OF ORGANIC OR INORGANIC WATER-INSOLUBLE SUBSTANCES BY INTIMATELY MIXING THEM WITH CONCENTRATED AQUEOUS SOLUTIONS OF SYNTHETIC RESIN PRE-CONDENSATES, WHICH COMPRISES THE STEPS OF FORMING SAID PRE-CONDENSATE BY HEATING COMPOUNDS SELECTED FROM THE CLASS CONSISTING OF ALIPHATIC AND AROMATIC COMPOUNDS CONTAINING EPOXY GROUPS WITH POLYAMINES SELECTED FROM THE CLASS CONSISTING OF ALIPHATIC, CYCLOALIPHATIC AND HETEROCYCLIC POLYAMINES TO YIELD SAID PRE-CONDENSATES OF A DEGREE OF CONDENSATION CHARACTERIZED BY ITS ABILITY TO FORM IN WATER CLEAR TO OPALESCENT SOLUBLE CONDENSATION PRODUCTS, ADMIXING SAID PRE-CONDENSATES WITH WATER TO FORM AN AQUEOUS SOLUTION THEREOF, BRINGING THE SOLUTION OF SAID PRODUCTS BY A VOLATILE ACID TO A PH OF 5-7, AND THEN EMULSIFYING BY INTIMATELY MIXING 5-15 PARTS BY WEIGHT OF SAID WATERINSOLUBLE SUBSTANCES WITH 1 PART BY WEIGHT OF SAID CONDENSATION PRODUCTS.
Claim 2
Dependent Claim
134 words
THE PROCESS OF PRODUCING CONCENTRATED AQUEOUS EMULSIONS OF ORGANIC OR INORGANIC WATER-INSOLUBLE SUBSTANCES BY INTIMATELY MIXING THEM WITH CONCENTRATED AQUEOUS SOLUTIONS OF SYNTHETIC RESIN PRE-CONDENSATES, WHICH COMPRISES THE STEPS OF FORMING SAID PRE-CONDENSATE BY HEATING COMPOUNDS SELECTED FROM THE CLASS CONSISTING OF ALIPHATIC AND AROMATIC COMPOUNDS CONTAINING EPOXY GROUPS WITH POLYAMINES SELECTED FROM THE CLASS CONSISTING OF ALIPHATIC, CYCLOALIPHATIC AND HETEROCYCLIC POLYAMINES TO YIELD SAID PRE-CONDENSATES OF A DEGREE OF CONDENSATION CHARACTERIZED BY ITS ABILITY TO FORM IN WATER CLEAR TO OPALESCENT SOLUBLE CONDENSATION PRODUCTS, ADMIXING SAID PRE-CONDENSATES WITH WATER TO FORM AN AQUEOUS SOLUTION THEREOF, BRINGING THE SOLUTION OF SAID PRODUCTS BY A VOLATILE ACID TO A PH OF 5-7, AND THEN EMULSIFYING BY INTIMATELY MIXING 5-15 PARTS BY WEIGHT OF SAID WATERINSOLUBLE SUBSTANCES WITH 1 PART BY WEIGHT OF SAID CONDENSATION PRODUCTS.
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) | 1970-05-15 | 1970-11-14 | 1971-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-15 | 1974-11-14 | 1975-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-15 | 1978-11-14 | 1979-05-16 | $7700.00 | Window Closed / Lapsed |