US3317633A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyolefins of improved dye affinity modified with unsaturated polyester resins
Assignee: JP Stevens and Co Inc
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Filing: 1964-04-01
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Granted: 1967-05-02
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Expires: 1984-04-01
Abstract
No abstract record available.
Inventors
- 👤 Giuliana C Tesoro
- 👤 Lee Wing Kai
- 👤 Donald R Moore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:43
CPC Classifications
C; C08; C08L; C08L23/00; C08L23/02; C08G; C08G63/00; C08G63/02; C08G63/12; C08G63/52; C08G63/54; C08G63/91; C08G63/914; C08G63/918; C08L23/10; C08L67/00; C08L67/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
THE METHOD OF MODIFYING A POLY-ALPHA-OLEFIN COMPRISING THE STEPS OF ADDING TO POLY-ALPHA-OLEFIN A POLYESTER IN WHICH AT LEAST A PROPORTION OF THE REPEATING UNITS OF SAID POLYESTER CONTAINS A CARBON-TO-CARBON DOUBLE BOND LOCATED IN A POSITION ALPHA-BETA TO A CARBOXYLIC CARBON ATOM, BLENDING SAID POLY-ALPHA-OLEFIN AND SAID POLYESTER TO FORM A SUBSTANTIALLY HOMOGENOUS MIXTURE, AND REACTING SAID POLYESTER IN SAID MIXTRUE WITH A POLAR COMPOUND SELECTED FROM THE GROUP CONSISTING OF AMMONIA, PRIMARY AMINES, SECONDARY AMINES, POLYAMINES, MERCAPTANS, AMINO-MERCAPTANS, POLYMERCAPTANS, INORGANIC COMPOUNDS SELECTED FROM THE CLASS CONSISTING OF ALKALI BISULPHITE, HALOGENS, HALOGEN ACID, PHOSPHORIC ACID, PHOSPHOROUS ACID, HYDROGEN SULPHIDE, SULFUR AND NITROGEN OXIDE, AND ORGANIC COMPOUNDS HAVING ACTIVATED GROUPS SELECTED FROM THE CLASS CONSISTING OF DIAZO AND METHYLENE, WHEREBY SAID POLAR COMPOUND IS ADDED ACROSS THE CARBON-TO-CARBON DOUBLE BOND OF SAID JPOLYESTER.
Claim 2
Independent Claim
133 words
THE METHOD OF MODIFYING A POLY-ALPHA-OLEFIN COMPRISING THE STEPS OF ADDING TO POLY-ALPHA-OLEFIN A POLYESTER IN WHICH AT LEAST A PROPORTION OF THE REPEATING UNITS OF SAID POLYESTER CONTAINS A CARBON-TO-CARBON DOUBLE BOND LOCATED IN A POSITION ALPHA-BETA TO A CARBOXYLIC CARBON ATOM, BLENDING SAID POLY-ALPHA-OLEFIN AND SAID POLYESTER TO FORM A SUBSTANTIALLY HOMOGENOUS MIXTURE, AND REACTING SAID POLYESTER IN SAID MIXTRUE WITH A POLAR COMPOUND SELECTED FROM THE GROUP CONSISTING OF AMMONIA, PRIMARY AMINES, SECONDARY AMINES, POLYAMINES, MERCAPTANS, AMINO-MERCAPTANS, POLYMERCAPTANS, INORGANIC COMPOUNDS SELECTED FROM THE CLASS CONSISTING OF ALKALI BISULPHITE, HALOGENS, HALOGEN ACID, PHOSPHORIC ACID, PHOSPHOROUS ACID, HYDROGEN SULPHIDE, SULFUR AND NITROGEN OXIDE, AND ORGANIC COMPOUNDS HAVING ACTIVATED GROUPS SELECTED FROM THE CLASS CONSISTING OF DIAZO AND METHYLENE, WHEREBY SAID POLAR COMPOUND IS ADDED ACROSS THE CARBON-TO-CARBON DOUBLE BOND OF SAID JPOLYESTER.
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) | 1970-05-01 | 1970-10-31 | 1971-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-01 | 1974-10-31 | 1975-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-01 | 1978-10-31 | 1979-05-02 | $7700.00 | Window Closed / Lapsed |