US3345203A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Finished tannin-containing substrates
Assignee: Rohm and Haas Co
•
Filing: 1964-01-30
•
Granted: 1967-10-03
•
Expires: 1984-01-30
Abstract
No abstract record available.
Inventors
- 👤 Benjamin B Kine
- 👤 Park Elkins
- 👤 Michael Kalandiak
- 👤 Peter R Buechler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 04:32
CPC Classifications
B; B05; B05D; B05D7/00; B05D7/12; B05D7/06; B05D7/08; B05D7/50; B05D7/52; B05D7/53; B05D7/534; C; C08; C08F; C08F220/00; C08F220/02; C08F220/10; C08F220/12; C09; C09D; C09D133/00; C09D133/04; C09D133/06; C09D133/062; C14; C14C; C14C11/00; C14C11/003; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31855; Y10T428/3188; Y10T428/31884; Y10T428/31909; Y10T428/31913; Y10T428/3192; Y10T428/31935; Y10T428/31938; Y10T428/31971; Y10T428/31989
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
73 words
AS AN ARTICLE OF MANUFACTURE, A SOLID SUBSTRATE CONTAINING A TANNIN AND HAVING A COATING THEREON COMPRISING A WATER-SOLUBLE LINEAR COPOLYMER, HAVING AN APPARENT SECOND ORDER TRANSITION TEMPERATURE IN THE RANGE OF --40* C. TO +20*C. OF 5 TO 15% BY WEIGHT OF N-VINYL-2PYRROLIDINONE AND 85 TO 95% BY WEIGHT OF AT LEAST ONE COMPOUND SELECTED FROM THE GROUP CONSISTING OF (C1-C18)ALCOHOL ESTERS OF ACRYLIC ACID AND (C4-C18) ALCOHOL ESTERS OF METHACRYLIC ACID.
Claim 2
Dependent Claim
73 words
AS AN ARTICLE OF MANUFACTURE, A SOLID SUBSTRATE CONTAINING A TANNIN AND HAVING A COATING THEREON COMPRISING A WATER-SOLUBLE LINEAR COPOLYMER, HAVING AN APPARENT SECOND ORDER TRANSITION TEMPERATURE IN THE RANGE OF --40* C. TO +20*C. OF 5 TO 15% BY WEIGHT OF N-VINYL-2PYRROLIDINONE AND 85 TO 95% BY WEIGHT OF AT LEAST ONE COMPOUND SELECTED FROM THE GROUP CONSISTING OF (C1-C18)ALCOHOL ESTERS OF ACRYLIC ACID AND (C4-C18) ALCOHOL ESTERS OF METHACRYLIC ACID.
Claim 3
Dependent Claim
94 words
AS AN ARTICLE OF MANUFACTURE, A LEATHER HAVING A COATING THEREON COMPRISING A WATER-INSOLUBLE LINEAR COPOLYMER, HAVING AN APPARENT SECOND ORDER TRANSITON TEMPERATURE IN THE RANGE OF --40*C. TO +5*C., OF 5 TO 15% BY WEIGHT OF N-VINYL-2-PYRROLIDINONE, AT LEAST 50% BY WEIGHT OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF (C1-C18)-ALCOHOL ESTERS OF ACRYLIC ACID AND (C4-C18)ALCOHOL ESTERS OF METHACRYLIC ACID, AND UP TO 5% BY WEIGHT OF ANOTHER COPOLYMERIZABLE MONOETHYLENICALLY UNSATURATED MONOMER CONTAINING A REACTIVE GROUP SELECTED FROM THE GROUP CONSISTING OF CARBOXYLIC ACID, AMINO, AMIDE, HYDROZYL, GLYCIDYL, AND UNREIDO GROUPS.
Claim 4
Dependent Claim
94 words
AS AN ARTICLE OF MANUFACTURE, A LEATHER HAVING A COATING THEREON COMPRISING A WATER-INSOLUBLE LINEAR COPOLYMER, HAVING AN APPARENT SECOND ORDER TRANSITON TEMPERATURE IN THE RANGE OF --40*C. TO +5*C., OF 5 TO 15% BY WEIGHT OF N-VINYL-2-PYRROLIDINONE, AT LEAST 50% BY WEIGHT OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF (C1-C18)-ALCOHOL ESTERS OF ACRYLIC ACID AND (C4-C18)ALCOHOL ESTERS OF METHACRYLIC ACID, AND UP TO 5% BY WEIGHT OF ANOTHER COPOLYMERIZABLE MONOETHYLENICALLY UNSATURATED MONOMER CONTAINING A REACTIVE GROUP SELECTED FROM THE GROUP CONSISTING OF CARBOXYLIC ACID, AMINO, AMIDE, HYDROZYL, GLYCIDYL, AND UNREIDO GROUPS.
References Cited (Backward Citations)
US2204520A
Cited
US2901457A
Cited
US3061569A
Cited
US2828223A
Cited
US3142664A
Cited
US3048496A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-02 | 1971-04-03 | 1971-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-02 | 1975-04-03 | 1975-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-02 | 1979-04-03 | 1979-10-03 | $7700.00 | Window Closed / Lapsed |