US3458420A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cataphoretic deposition of nitrogen basic copolymers
Assignee: BASF Farben und Fasern AG
•
Filing: 1966-11-29
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Granted: 1969-07-29
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Expires: 1986-11-29
Abstract
No abstract record available.
Inventors
- 👤 Herbert Spoor
- 👤 Heinz Pohlemann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:04
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/18; H01B3/30; H01B3/44; C; C09; C09D; C09D125/00; C09D125/02; C09D125/04; C09D125/08; C09D125/14; C09D133/00; C09D133/04; C09D133/06; C09D133/062; C09D133/066; C09D5/00; C09D5/44; C09D5/4407; C09D5/4411; C08; C08L; C08L61/00; C08L61/20; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31678
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
IN A PROCESS FOR THE PRODUCTION OF A POLYMER COATING ON AN ELECTRICALLY CONDUCTING SUBSTRATE WHEREIN A POLYMER HAVING BASIC NITROGEN ATOMS IS ELECTROCHEMICALLY DEPOSITED ON THE SUBSTRATE BY CATAPHORESIS FROM AN AQUEOUS BATH CONTAINING AN AMMONIUM SALT OF SAID POLYMER, THE IMPROVEMENT WHICH COMPRISES DEPOSITING ON SAID SUBSTRATE A COPOLYMER WHICH CONTAINS POLYMERIZED UNITS OF: (1) 3 TO 30% BY WEIGHT OF AT LEAST ONE MONOETHYLENICALLY UNSATURATED MONOMER HAVING A BASIC AMINO GROUP AND NOT MORE THAN 20 CARBON ATOMS (2) 3 TO 40% BY WEIGHT OF AT LEAST ONE MONOETHYLENICALLY UNSATURATED COMPOUND HAVING AN ALCOHOLIC HYDROXY GROUP AND 3 TO 12 CARBON ATOMS (3) 30 TO 94% BY WEIGHT OF AT LEAST ONE MONOMER SELECTED FROM THE CLASS CONSISTING OF ALKYL ESTERS OF ACRYLIC AND METHACRYLIC ACID HAVING 1 TO 8 CARBON ATOMS IN THE ALKYL RADICAL, STYRENE AND ALKYL-SUBSTITUTED STYRENES HAVING 1 TO 3 CARBON ATOMS IN THE ALKYL RADICAL.
Claim 2
Dependent Claim
153 words
IN A PROCESS FOR THE PRODUCTION OF A POLYMER COATING ON AN ELECTRICALLY CONDUCTING SUBSTRATE WHEREIN A POLYMER HAVING BASIC NITROGEN ATOMS IS ELECTROCHEMICALLY DEPOSITED ON THE SUBSTRATE BY CATAPHORESIS FROM AN AQUEOUS BATH CONTAINING AN AMMONIUM SALT OF SAID POLYMER, THE IMPROVEMENT WHICH COMPRISES DEPOSITING ON SAID SUBSTRATE A COPOLYMER WHICH CONTAINS POLYMERIZED UNITS OF: (1) 3 TO 30% BY WEIGHT OF AT LEAST ONE MONOETHYLENICALLY UNSATURATED MONOMER HAVING A BASIC AMINO GROUP AND NOT MORE THAN 20 CARBON ATOMS (2) 3 TO 40% BY WEIGHT OF AT LEAST ONE MONOETHYLENICALLY UNSATURATED COMPOUND HAVING AN ALCOHOLIC HYDROXY GROUP AND 3 TO 12 CARBON ATOMS (3) 30 TO 94% BY WEIGHT OF AT LEAST ONE MONOMER SELECTED FROM THE CLASS CONSISTING OF ALKYL ESTERS OF ACRYLIC AND METHACRYLIC ACID HAVING 1 TO 8 CARBON ATOMS IN THE ALKYL RADICAL, STYRENE AND ALKYL-SUBSTITUTED STYRENES HAVING 1 TO 3 CARBON ATOMS IN THE ALKYL RADICAL.
References Cited (Backward Citations)
CA684839A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-28 | 1973-01-27 | 1973-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-28 | 1977-01-27 | 1977-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-28 | 1981-01-27 | 1981-07-29 | $7700.00 | Window Closed / Lapsed |