US3262791A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corrosion preventing method and composition
Assignee: Baker Petrolite LLC
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Filing: 1965-10-24
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Granted: 1966-07-26
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Expires: 1985-10-24
Abstract
No abstract record available.
Inventors
- 👤 Woodrow J Dickson
- 👤 Fred W Jenkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:29
CPC Classifications
C; C07; C07D; C07D207/00; C07D207/02; C07D207/30; C07D207/34; C07D207/36; C07D207/40; C07D207/404; C07D207/408; C07D207/412; B; B01; B01D; B01D19/00; B01D19/02; B01D19/04; B01D19/0404; B01D19/0413; C04; C04B; C04B24/00; C04B24/24; C04B24/28; C04B41/00; C04B41/45; C04B41/46; C04B41/48; C04B41/488; C07C; C07C209/00; C07C209/04; C07C209/06; C07C209/08; C07D233/00; C07D233/04; C07D233/06; C07D233/08; C07D233/12; C07D233/16; C07D247/00; C07D247/02; C07D307/00; C07D307/02; C07D307/34; C07D307/38; C07D307/52; C08; C08G; C08G12/00; C08G69/00; C08G69/02; C08G69/26; C08G69/34; C08G73/00; C08G73/02; C08G73/0206; C09; C09D; C09D11/00; C09D11/02; C09D11/03; C09D5/00; C09D5/08; C09D5/082; C09K; C09K8/00; C09K8/02; C09K8/03; C09K8/035; C09K8/54; C09K8/60; C09K8/62; C09K8/72; C09K8/74; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10M; C10M133/00; C10M173/00; C14; C14C; C14C9/00; C23; C23F; C23F11/00; C23F11/08; C23F11/10; C23F11/173; D; D06; D06M; D06M13/00; D06M13/322; D06M13/325; D06M13/332; E; E21; E21B; E21B41/00; E21B41/02; C10L1/221; C10L1/222; C10L1/2222; C10L1/2225; C10L1/224; C10L1/228; C10L1/2283; C10L1/232; C10L1/234; C10L1/238; C10L1/2383; C10M2201/00; C10M2201/02; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/042; C10M2215/24; C10M2215/26; C10M2217/00; C10M2217/04; C10M2217/046; C10M2217/06; C10N; C10N2030/00; C10N2030/12; C10N2040/00; C10N2040/20; C10N2040/22; C10N2050/00; C10N2050/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
1308 words
A PROCESS FOR PREVENTING THE CORROSION OF FERROUS METALS IN CONTACT WITH CORROSIVE SYSTEM CHARACTERIZED BY SUBJECTING THE EXPOSED SURFACES OF SAID FERROUS METALS TO THE ACTION OF AN AMOUNT OF A COMPOUND VARYING DIRECTLY WITH THE CORROSIVENESS OF SAID CORROSIVE SYSTEM, SAID COMPOUND BEING A COMPOUND SELECTED FROM THE GROUP CONSISTING OF (1) A LINEAR POLYMER OF A 1,2-ALKYLNEIMINE, SAID POLYMER HAVING A MOLECULAR WEIGHT OF AT LEAST 800, EACH ALKLENE UNIT HAVING 2 TO 20 CARBON ATOMS, (2) AN ACYLATED LINEAR POLYMER OF A 1,2-ALKYLENEIMINE, SAID PLYMER HAVING A MOLECULAR WEIGHT OF AT LEAST 800, EACH ALKYLENE UNIT HAVING 2 TO 20 CARBON ATOMS, FORMED BY REACTING, AT A TEMPEARTURE OF FROM ABOUT 120* C. TO ABOUT 300* C., SAID LINEAR POLYMER WITH AN ACYLATING AGENT FROM THE GROUP CONSISTING OF (I) A CARBOXYLIC ACID HAVING 7-39 CARBON ATOMS AND (II) A PRECURSOR OF SAID CARBOXYLIC ACID CAPABLE OF FORMING SAID ACID IN SAID REACTION, (3) AN OXYALKYLATED LINEAR POLYMER OF A 1,2-ALKYLENEIMINE, SAID POLYMER HAVING A MOLCULAR WEIGHT OF AT LEAST 800, EACH ALKYLENE UNIT HAVING 2 TO 20 CARBON ATOMS, FORMED BY REACTING, AT A TEMPERATURE OF FROM ABOUT 80*C. TO ABOUT 200*C. AND A PRESSURE OF FROM ABOUT 10 P.S.I. TO ABOUT 200 P.S.I., SAID POLYMER FROM THE GROUP CONSISTING OF (I) A CARBOXYLIC ACID WITH AN ALKYLENE OXIDE HAVING AT LEAST TWO CARBON ATOMS, (4) AN ALKYLATED LINEAR POLYMER OF A 1,2-ALKYLENEIMINE, SAID POLYMER HAVING A MOLECULAR WEIGHT OF AT LEAST 800, EACH ALKYLENE UNIT HAVING 2 TO 20 CARBON ATOMS, FORMED BY REACTING, AT A TEMPERATURE OF FROM ABOUT 100*C TO ABOUT 250*C., SAD POLYMER WITH A HYDROCARBON HALIDE ALKYLATING AGENT HAVING 1-30 CARBON ATOMS, (5) AN OLEFINATED LINEAR POLYMER OF A 1,2-ALKYLENEIMINE, SAID POLYMER HAVING A MOLECULAR WEIGHT OF AT LEAST 800, EACH ALKYLENE UNIT HAVING 2 TO 20 CARBON ATOMS, FORMED BY REACTING, AT A TEMPERATURE OF FROM ABOUT 70*C. TO ABOUT 100*C., SAID POLYMER WITH AN OLEFINATING AGENT SELECTED FROM THE GROUP CONSISTING OF ACRYLONITRILE, STYRENE, BUTADIENE, VINYL ETHERS, AND VINYL SULFONES, (6) A SCHIFF BASE REACTION PRODUCT OF A LINEAR POLYMER OF A 1,2-ALKYLENEIMINE, SAID POLYMER HAVING A MOLECULAR WEIGHT OF AT LEAST 800, EACH ALKYLENE UNIT HAVING 2 TO 20 CARBON ATOMS, FORMED BY REACTING SAID POLYMER WITH A COMPOUND SELECTED FROM THE GROUP CONSISTING OF ADEHYDES AND KETONES, (7) AN ACYLATED, THEN OXYALKYLATED LINEAR POLYMER OF A 1,2-ALKYLENEIMINE, SAID POLYMER HAVING A MOLECULAR WEIGHT OF AT LEAST 800, EACH ALKYLENE UNIT THEREIN HAVING 2-20 CARBON ATOMS, FORMED BY REACTING AT A TEMPERATURE OF FROM ABOUT 125*C. TO ABOUT 300*C., SAID LINEAR POLYMER WITH AN ACYLATING AGENT SELECTED HAVING 7-39 CARBON ATOMS AND (II) A PRECURSOR OF SAID CARBOXYLIC ACID CAPABLE OF FORMING SAID ACID IN SAID REACTION, AND THEN REACTING SAID ACYLATED POLYMER, AT A TEMPERATURE OF FROM ABOUT 80*C. TO ABOUT 200*C. AND A PRESSURE OF FROM ABOUT 10 P.S.I. TO ABOUT 200 P.S.I., WITH AN ALKYLENE OXIDE HAVING AT LEAST 2 CARBON ATOMS, (8) AN OXYALKYLATED, THEN ACYLATED LINEAR POLYMER OF A 1,2-ALKYLENEIMINE, SAID POLYMER HAVING A MOLECULAR WEIGHT OF AT LEAST 800, SAID ALKYLENE UNIT THEREIN HAVING 2-20 CARBON ATOMS, FORMED BY REACTING AT A TEMPERATURE OF FROM ABOUT 80*C. TO ABOUT 200*C. AND A PRESSURE OF FROM ABOUT 10 P.S.I. TO ABOUT 200 P.S.I., SAID POLYMER WITH AN ALKYLENE OXIDE HAVING AT LEAST 2 CARBON ATOMS AND THEN REACTING SAID OXYALKYLATED POLYMER, AT A TEMPERATURE OF FROM ABOUT 120*C. TO ABOUT 300*C., WITH AN ACYLATING AGENT SELECTED FROM THE GROUP CONSISTING OF (I) A CARBOXYLIC ACID HAVING 7-39 CARBON ATOMS AND (II) A PRECURSOR OF SAID CARBOXYLIC ACID CAPABLE OF FORMING SAID ACID IN SAID REACTION, (9) AN ALKYLATED, THEN ACYLATED LINEAR POLYMER OF A 1,2-ALKYLENEIMINE, SAID POLYMER HAVING A MOLECULAR WEIGHT OF AT LEAST 800, EACH ALKYLENE UNIT THEREIN HAVING 2-20 CARBON ATOMS, FORMED BY REACTING AT A TEMPERATURE OF FROM ABOUT 100*C. TO ABOUT 250*C., SAID POLYMER WITH A HYDROCARBON HALIDE ALKYLATING AGENT HAVING 1-30 CARBON ATOMS, AND THEN REACTING SAID ALKYLATED POLYMER, AT A TEMPERATURE OF FROM ABOUT 120*C. TO ABOUT 300*C., WITH AN ACYLATING AGENT SELECTED FROM THE GROUP CONSISTING OF (I) A CARBOXYLIC ACID HAVING 7-39 CARBON ATOMS AND (II) A PRECURSOR OF SAID CARBOXYLIC ACID CAPABLE OF FORMING SAID ACID IN SAID REACTION, (10) AN ACYLATED, THEN ALKYLATED LINEAR POLYMER OF A 1,2-ALKYLENEIMINE, SAID POLYMER HAVING A MOLECULAR WEIGHT OF AT LEAST 800, EACH ALKYLENE UNIT THEREIN HAVING 2-20 CARBON ATOMS, FORMED BY REACTING AT A TEMPERATURE OF FROM ABOUT 120*C. TO ABOUT 300*C., SAID POLYMEER WITH AN ACYLATING AGENT SELECTED FROM THE GROUP CONSISTING OF (I) A CARBOXYLIC ACID HAVING 7-39 CABON ATOMS AND (II) A PRECURSOR OF SAID CARBOXYLIC ACID CAPABLE OF FORMING SAID ACID IN SAID REACTION, AND THEN REACTING SAID ACYLATED POLYMER, AT A TEMPERATURE OF FROM ABOUT 100*C. TO ABOUT 250* C., WITH A HYDROCARBON HALIDE ALKYLATING AGENT HAVING 1-30 CARBON ATOMS, (11) AN OXYALKYLATED, THEN ALKYLATED LINEAR POLYMER OF A 1,2-ALKYLENEIMINE, SAID POLYMER HAVING A MOLECULAR WEIGHT OF AT LEAST 800, EACH ALKYLENE UNIT THEREIN HAVING 2-20 CARBON ATOMS, FORMED BY REACTING AT A TEMPERATURE OF FROM ABOUT 80*C. TO ABOUT 220*C. AND A PRESSURE OF FROM ABOUT 10 P.S.I. TO ABOUT 200 P.S.I., SAID POLYMER WITH AN ALKYLENE OXIDE HAVING AT LEAST 2 CARBON ATOMS, AND THEN REACTING SAID OXYALKYLATED POLYMER, AT A TEMPERATURE OF FROM ABOUT 100*C. TO ABOUT 250*C., WITH A HYDROCARBON HALIDE ALKYLATING AGENT HAVING 1-30 CARBON ATOMS, (12) A SCHIFF BASE REACTION PRODUCT OF AN ACYLATED LINEAR POLYMER OF A 1,2-ALKYLENEIMINE, SAID POLYMER HAVING A MOLECULAR WEIGHT OF AT LEAST 800, EACH ALKYLENE UNIT THEREIN HAVING 2-20 CARBON ATOMS, FORMED BY REACTING, AT A TEMPERATURE OF FROM ABOUT 120*C. TO ABOUT 300*C., SAID POLYMER WITH AN ACYLATING AGENT SELECTED FROM THE GROUP CONSISTING OF (I) A CARBOXYLIC ACID HAVING 7-39 CARBON ATOMS AND (II) A PRECURSOR OF SAID CARBOXYLIC ACID CAPABLE OF FORMING SAID ACID IN SAID REACTION, AND THEN REACTING SAID ACYLATED POLYMER WITH A COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALDEHYDES AND KETONES, (13) A SCHIFF BASE REACTION PRODUCT OF AN ALKYLATED LINEAR POLYMER OF A 1,2-ALKYLENEIMINE, SAID POLYMER HAVING A MOLECULAR WEIGHT OF AT LEAST 800, EACH ALKYLENE UNIT THEREIN HAVING 2-20 CARBON ATOMS, FORMED BY REACTING, AT A TEMPERATURE OF FROM ABOUT 100*C. TO ABOUT 250*C., SAID POLYMER WITH A HYDROCARBON HALIDE ALKYLATING AGENT HAVING 1-30 CARBON ATOMS, AND THEN REACTING SAID ALKYLATED POLYMER WITH A COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALDEHYDES AND KETONES, (14) AN OXYALKYLATED SCHIFF BASE REACTION PRODUCT OF A LINEAR POLYMER OF A 1,2-ALKYLENEIMINE, SAID LINEAR POLYYMER HAVING A MOLECULAR WEIGHT OF AT LEAST 800, EACH ALKYLENE UNIT THEREIN HAVING 2-20 CARBON ATOMS FORMED BY REACTING SAID LINEAR POLYMER WITH A COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALDEHYDES AND KETONES TO FORM SAID SCHIFF BASE REACTION PRODUCT AND THEN REACTING SAID SCHIFF BASE REACTION PRODUCT, AT A TEMPERATURE OF FROM ABOUT 80*C. TO ABOUT 200*C. AND A PRESSURE OF FROM ABOUT 10 P.S.I. TO ABOUT 200 P.S.I., WITH AN ALKYLENE OXIDE HAVING AT LEAST 2 CARBON ATOMS, (15) AN ACYLATED, THEN OLEFINATED LINEAR POLYMER OF A 1,2-ALKYLENEIMINE, SAID POLYMER HAVING A MOLECULAR WEIGHT OF AT LEAST 800, EACH ALKYLENE UNIT THEREIN HAVING 2-20 CARBON ATOMS, FORMED BY REACTING, AT A TEMPERATURE OF FROM ABOUT 120*C. TO ABOUT 300*C., SAID LINEAR POLYMER WITH AN ACYLATING AGENT SELECTED FROM THE GROUP CONSISTING OF (I) A CARBOXYLIC ACID HAVING 7-39 CARBON ATOMS AND (II) A PRECURSOR OF SAID CARBOXYLIC ACID CAPABLE OF FORMING SAID ACID IN SAID REACTION, AND THEN REACTING SAID ACYLATED POLYMER, AT A TEMPERATURE ABOUT 70*C. TO ABOUT 100*C., WITH AN OLEFINATING AGENT SELECTED FROM THE GROUP CONSISTING OF ACRYLONITRILE, STYRENE, BUTADIENE, VINYL ETHERS AND VINYL SULFONES, AND (16) AN ALKYLATED, THEN OLEFINATED LINEAR POLYMER OF A 1,2-ALKYLENEIMINE, SAID POLYMER HAVING A
Claim 2
Dependent Claim
1308 words
A PROCESS FOR PREVENTING THE CORROSION OF FERROUS METALS IN CONTACT WITH CORROSIVE SYSTEM CHARACTERIZED BY SUBJECTING THE EXPOSED SURFACES OF SAID FERROUS METALS TO THE ACTION OF AN AMOUNT OF A COMPOUND VARYING DIRECTLY WITH THE CORROSIVENESS OF SAID CORROSIVE SYSTEM, SAID COMPOUND BEING A COMPOUND SELECTED FROM THE GROUP CONSISTING OF (1) A LINEAR POLYMER OF A 1,2-ALKYLNEIMINE, SAID POLYMER HAVING A MOLECULAR WEIGHT OF AT LEAST 800, EACH ALKLENE UNIT HAVING 2 TO 20 CARBON ATOMS, (2) AN ACYLATED LINEAR POLYMER OF A 1,2-ALKYLENEIMINE, SAID PLYMER HAVING A MOLECULAR WEIGHT OF AT LEAST 800, EACH ALKYLENE UNIT HAVING 2 TO 20 CARBON ATOMS, FORMED BY REACTING, AT A TEMPEARTURE OF FROM ABOUT 120* C. TO ABOUT 300* C., SAID LINEAR POLYMER WITH AN ACYLATING AGENT FROM THE GROUP CONSISTING OF (I) A CARBOXYLIC ACID HAVING 7-39 CARBON ATOMS AND (II) A PRECURSOR OF SAID CARBOXYLIC ACID CAPABLE OF FORMING SAID ACID IN SAID REACTION, (3) AN OXYALKYLATED LINEAR POLYMER OF A 1,2-ALKYLENEIMINE, SAID POLYMER HAVING A MOLCULAR WEIGHT OF AT LEAST 800, EACH ALKYLENE UNIT HAVING 2 TO 20 CARBON ATOMS, FORMED BY REACTING, AT A TEMPERATURE OF FROM ABOUT 80*C. TO ABOUT 200*C. AND A PRESSURE OF FROM ABOUT 10 P.S.I. TO ABOUT 200 P.S.I., SAID POLYMER FROM THE GROUP CONSISTING OF (I) A CARBOXYLIC ACID WITH AN ALKYLENE OXIDE HAVING AT LEAST TWO CARBON ATOMS, (4) AN ALKYLATED LINEAR POLYMER OF A 1,2-ALKYLENEIMINE, SAID POLYMER HAVING A MOLECULAR WEIGHT OF AT LEAST 800, EACH ALKYLENE UNIT HAVING 2 TO 20 CARBON ATOMS, FORMED BY REACTING, AT A TEMPERATURE OF FROM ABOUT 100*C TO ABOUT 250*C., SAD POLYMER WITH A HYDROCARBON HALIDE ALKYLATING AGENT HAVING 1-30 CARBON ATOMS, (5) AN OLEFINATED LINEAR POLYMER OF A 1,2-ALKYLENEIMINE, SAID POLYMER HAVING A MOLECULAR WEIGHT OF AT LEAST 800, EACH ALKYLENE UNIT HAVING 2 TO 20 CARBON ATOMS, FORMED BY REACTING, AT A TEMPERATURE OF FROM ABOUT 70*C. TO ABOUT 100*C., SAID POLYMER WITH AN OLEFINATING AGENT SELECTED FROM THE GROUP CONSISTING OF ACRYLONITRILE, STYRENE, BUTADIENE, VINYL ETHERS, AND VINYL SULFONES, (6) A SCHIFF BASE REACTION PRODUCT OF A LINEAR POLYMER OF A 1,2-ALKYLENEIMINE, SAID POLYMER HAVING A MOLECULAR WEIGHT OF AT LEAST 800, EACH ALKYLENE UNIT HAVING 2 TO 20 CARBON ATOMS, FORMED BY REACTING SAID POLYMER WITH A COMPOUND SELECTED FROM THE GROUP CONSISTING OF ADEHYDES AND KETONES, (7) AN ACYLATED, THEN OXYALKYLATED LINEAR POLYMER OF A 1,2-ALKYLENEIMINE, SAID POLYMER HAVING A MOLECULAR WEIGHT OF AT LEAST 800, EACH ALKYLENE UNIT THEREIN HAVING 2-20 CARBON ATOMS, FORMED BY REACTING AT A TEMPERATURE OF FROM ABOUT 125*C. TO ABOUT 300*C., SAID LINEAR POLYMER WITH AN ACYLATING AGENT SELECTED HAVING 7-39 CARBON ATOMS AND (II) A PRECURSOR OF SAID CARBOXYLIC ACID CAPABLE OF FORMING SAID ACID IN SAID REACTION, AND THEN REACTING SAID ACYLATED POLYMER, AT A TEMPERATURE OF FROM ABOUT 80*C. TO ABOUT 200*C. AND A PRESSURE OF FROM ABOUT 10 P.S.I. TO ABOUT 200 P.S.I., WITH AN ALKYLENE OXIDE HAVING AT LEAST 2 CARBON ATOMS, (8) AN OXYALKYLATED, THEN ACYLATED LINEAR POLYMER OF A 1,2-ALKYLENEIMINE, SAID POLYMER HAVING A MOLECULAR WEIGHT OF AT LEAST 800, SAID ALKYLENE UNIT THEREIN HAVING 2-20 CARBON ATOMS, FORMED BY REACTING AT A TEMPERATURE OF FROM ABOUT 80*C. TO ABOUT 200*C. AND A PRESSURE OF FROM ABOUT 10 P.S.I. TO ABOUT 200 P.S.I., SAID POLYMER WITH AN ALKYLENE OXIDE HAVING AT LEAST 2 CARBON ATOMS AND THEN REACTING SAID OXYALKYLATED POLYMER, AT A TEMPERATURE OF FROM ABOUT 120*C. TO ABOUT 300*C., WITH AN ACYLATING AGENT SELECTED FROM THE GROUP CONSISTING OF (I) A CARBOXYLIC ACID HAVING 7-39 CARBON ATOMS AND (II) A PRECURSOR OF SAID CARBOXYLIC ACID CAPABLE OF FORMING SAID ACID IN SAID REACTION, (9) AN ALKYLATED, THEN ACYLATED LINEAR POLYMER OF A 1,2-ALKYLENEIMINE, SAID POLYMER HAVING A MOLECULAR WEIGHT OF AT LEAST 800, EACH ALKYLENE UNIT THEREIN HAVING 2-20 CARBON ATOMS, FORMED BY REACTING AT A TEMPERATURE OF FROM ABOUT 100*C. TO ABOUT 250*C., SAID POLYMER WITH A HYDROCARBON HALIDE ALKYLATING AGENT HAVING 1-30 CARBON ATOMS, AND THEN REACTING SAID ALKYLATED POLYMER, AT A TEMPERATURE OF FROM ABOUT 120*C. TO ABOUT 300*C., WITH AN ACYLATING AGENT SELECTED FROM THE GROUP CONSISTING OF (I) A CARBOXYLIC ACID HAVING 7-39 CARBON ATOMS AND (II) A PRECURSOR OF SAID CARBOXYLIC ACID CAPABLE OF FORMING SAID ACID IN SAID REACTION, (10) AN ACYLATED, THEN ALKYLATED LINEAR POLYMER OF A 1,2-ALKYLENEIMINE, SAID POLYMER HAVING A MOLECULAR WEIGHT OF AT LEAST 800, EACH ALKYLENE UNIT THEREIN HAVING 2-20 CARBON ATOMS, FORMED BY REACTING AT A TEMPERATURE OF FROM ABOUT 120*C. TO ABOUT 300*C., SAID POLYMEER WITH AN ACYLATING AGENT SELECTED FROM THE GROUP CONSISTING OF (I) A CARBOXYLIC ACID HAVING 7-39 CABON ATOMS AND (II) A PRECURSOR OF SAID CARBOXYLIC ACID CAPABLE OF FORMING SAID ACID IN SAID REACTION, AND THEN REACTING SAID ACYLATED POLYMER, AT A TEMPERATURE OF FROM ABOUT 100*C. TO ABOUT 250* C., WITH A HYDROCARBON HALIDE ALKYLATING AGENT HAVING 1-30 CARBON ATOMS, (11) AN OXYALKYLATED, THEN ALKYLATED LINEAR POLYMER OF A 1,2-ALKYLENEIMINE, SAID POLYMER HAVING A MOLECULAR WEIGHT OF AT LEAST 800, EACH ALKYLENE UNIT THEREIN HAVING 2-20 CARBON ATOMS, FORMED BY REACTING AT A TEMPERATURE OF FROM ABOUT 80*C. TO ABOUT 220*C. AND A PRESSURE OF FROM ABOUT 10 P.S.I. TO ABOUT 200 P.S.I., SAID POLYMER WITH AN ALKYLENE OXIDE HAVING AT LEAST 2 CARBON ATOMS, AND THEN REACTING SAID OXYALKYLATED POLYMER, AT A TEMPERATURE OF FROM ABOUT 100*C. TO ABOUT 250*C., WITH A HYDROCARBON HALIDE ALKYLATING AGENT HAVING 1-30 CARBON ATOMS, (12) A SCHIFF BASE REACTION PRODUCT OF AN ACYLATED LINEAR POLYMER OF A 1,2-ALKYLENEIMINE, SAID POLYMER HAVING A MOLECULAR WEIGHT OF AT LEAST 800, EACH ALKYLENE UNIT THEREIN HAVING 2-20 CARBON ATOMS, FORMED BY REACTING, AT A TEMPERATURE OF FROM ABOUT 120*C. TO ABOUT 300*C., SAID POLYMER WITH AN ACYLATING AGENT SELECTED FROM THE GROUP CONSISTING OF (I) A CARBOXYLIC ACID HAVING 7-39 CARBON ATOMS AND (II) A PRECURSOR OF SAID CARBOXYLIC ACID CAPABLE OF FORMING SAID ACID IN SAID REACTION, AND THEN REACTING SAID ACYLATED POLYMER WITH A COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALDEHYDES AND KETONES, (13) A SCHIFF BASE REACTION PRODUCT OF AN ALKYLATED LINEAR POLYMER OF A 1,2-ALKYLENEIMINE, SAID POLYMER HAVING A MOLECULAR WEIGHT OF AT LEAST 800, EACH ALKYLENE UNIT THEREIN HAVING 2-20 CARBON ATOMS, FORMED BY REACTING, AT A TEMPERATURE OF FROM ABOUT 100*C. TO ABOUT 250*C., SAID POLYMER WITH A HYDROCARBON HALIDE ALKYLATING AGENT HAVING 1-30 CARBON ATOMS, AND THEN REACTING SAID ALKYLATED POLYMER WITH A COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALDEHYDES AND KETONES, (14) AN OXYALKYLATED SCHIFF BASE REACTION PRODUCT OF A LINEAR POLYMER OF A 1,2-ALKYLENEIMINE, SAID LINEAR POLYYMER HAVING A MOLECULAR WEIGHT OF AT LEAST 800, EACH ALKYLENE UNIT THEREIN HAVING 2-20 CARBON ATOMS FORMED BY REACTING SAID LINEAR POLYMER WITH A COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALDEHYDES AND KETONES TO FORM SAID SCHIFF BASE REACTION PRODUCT AND THEN REACTING SAID SCHIFF BASE REACTION PRODUCT, AT A TEMPERATURE OF FROM ABOUT 80*C. TO ABOUT 200*C. AND A PRESSURE OF FROM ABOUT 10 P.S.I. TO ABOUT 200 P.S.I., WITH AN ALKYLENE OXIDE HAVING AT LEAST 2 CARBON ATOMS, (15) AN ACYLATED, THEN OLEFINATED LINEAR POLYMER OF A 1,2-ALKYLENEIMINE, SAID POLYMER HAVING A MOLECULAR WEIGHT OF AT LEAST 800, EACH ALKYLENE UNIT THEREIN HAVING 2-20 CARBON ATOMS, FORMED BY REACTING, AT A TEMPERATURE OF FROM ABOUT 120*C. TO ABOUT 300*C., SAID LINEAR POLYMER WITH AN ACYLATING AGENT SELECTED FROM THE GROUP CONSISTING OF (I) A CARBOXYLIC ACID HAVING 7-39 CARBON ATOMS AND (II) A PRECURSOR OF SAID CARBOXYLIC ACID CAPABLE OF FORMING SAID ACID IN SAID REACTION, AND THEN REACTING SAID ACYLATED POLYMER, AT A TEMPERATURE ABOUT 70*C. TO ABOUT 100*C., WITH AN OLEFINATING AGENT SELECTED FROM THE GROUP CONSISTING OF ACRYLONITRILE, STYRENE, BUTADIENE, VINYL ETHERS AND VINYL SULFONES, AND (16) AN ALKYLATED, THEN OLEFINATED LINEAR POLYMER OF A 1,2-ALKYLENEIMINE, SAID POLYMER HAVING A
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) | 1969-07-25 | 1970-01-24 | 1970-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-25 | 1974-01-24 | 1974-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-25 | 1978-01-24 | 1978-07-26 | $7700.00 | Window Closed / Lapsed |