US3236914A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for rendering polymers compatible
Assignee: PPG Architectural Coatings Canada Inc
•
Filing: 1960-05-02
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Granted: 1966-02-22
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Expires: 1980-05-02
Abstract
No abstract record available.
Inventors
- 👤 Murdock James David
- 👤 Nelan Norman
- 👤 Segall Gordon Hart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:57
CPC Classifications
C; C08; C08L; C08L53/00; C08L53/02; C08L25/00; C08L25/02; C08L25/04; C08L25/06; C08L27/00; C08L27/02; C08L27/04; C08L27/06; C08L33/00; C08L33/04; C08L33/06; C08L33/10; C08L33/12; C08L35/00; C08L35/06; C08L57/00; C08L77/00; C08L2205/00; C08L2205/08; C08L33/08; C08L77/12; C08L9/00; Y; Y10; Y10S; Y10S260/00; Y10S260/32; Y10S525/00; Y10S525/931
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
129 words
A PROCESS FOR PREPARING A HOMOGENEOUS BLEND OF SYNTHETIC POLYMERIC MATERIALS WHICH COMPRISES: PROVIDING A FIRST ETHYLENICALLY UNSATURATED NEUTRAL MONOMER WHOSE POLYMER IS NORMALLY SUBSTANTIALLY INCOMPATIBLE WITH THE POLYMER OF A SECOND ETHYLENICALLY UNSATURATED NEUTRAL MONOMER; FORMING A SUBSTANTIALLY LINEAR COPOLYMER BY COPOLYMERIZING FROM 98 TO 50 PARTS BY WEIGHT OF SAID FIRST MONOMER WITH FROM 2 TO 50 PARTS BY WEIGHT OF A COPOLYMERIZABLE ETHYLENIALLY UNSATURATED MONOMER CONTAINING AT LEAST ONE ATOM SELECTED FROM THE GROUP CONSISTING OF BASIC NITROGEN ATOMS AND AMIDO NITROGEN ATOMS; FORMING ANOTHER SUBSTANTIALLY LINEAR COPOLYMER BY COPOLYMERIZING FROM 98 TO 50 PARTS BY WEIGHT OF SAID SECOND MONOMER WITH FROM 2 TO 50 PARTS BY WEIGHT OF AN A,B-ETHLENICALLY UNSATURATED CARBOXYLIC ACID; AND BLENDING SAID COPOLYMERS IN COAGULATED DRIED FORM BY MECHANICAL MASTICATION.
Claim 2
Dependent Claim
129 words
A PROCESS FOR PREPARING A HOMOGENEOUS BLEND OF SYNTHETIC POLYMERIC MATERIALS WHICH COMPRISES: PROVIDING A FIRST ETHYLENICALLY UNSATURATED NEUTRAL MONOMER WHOSE POLYMER IS NORMALLY SUBSTANTIALLY INCOMPATIBLE WITH THE POLYMER OF A SECOND ETHYLENICALLY UNSATURATED NEUTRAL MONOMER; FORMING A SUBSTANTIALLY LINEAR COPOLYMER BY COPOLYMERIZING FROM 98 TO 50 PARTS BY WEIGHT OF SAID FIRST MONOMER WITH FROM 2 TO 50 PARTS BY WEIGHT OF A COPOLYMERIZABLE ETHYLENIALLY UNSATURATED MONOMER CONTAINING AT LEAST ONE ATOM SELECTED FROM THE GROUP CONSISTING OF BASIC NITROGEN ATOMS AND AMIDO NITROGEN ATOMS; FORMING ANOTHER SUBSTANTIALLY LINEAR COPOLYMER BY COPOLYMERIZING FROM 98 TO 50 PARTS BY WEIGHT OF SAID SECOND MONOMER WITH FROM 2 TO 50 PARTS BY WEIGHT OF AN A,B-ETHLENICALLY UNSATURATED CARBOXYLIC ACID; AND BLENDING SAID COPOLYMERS IN COAGULATED DRIED FORM BY MECHANICAL MASTICATION.
Claim 3
Dependent Claim
87 words
A PROCESS FOR PREPARING A HOMOGENEOUS BLEND OF SYNTHETIC POLYMERIC MATERIALS WHICH COMPRISES: PROVIDING AN ETHYLENICALLY UNSATURATED NEUTRAL MONOMER WHOSE POLYMER IS NORMALLY SUBSTANTIALLY INCOMPATIBLE WITH A SYNTHETIC LINEAR POLYAMIDE; FORMING A SUBSTANTIALLY LINEAR COPOLYMER BY COPOLYMERIZING FROM 98 TO 50 PARTS BY WEIGHT OF SAID MONOMER WITH FROM 2 TO 50 PARTS BY WEIGHT OF AN A,B-ETHYLENICALLY UNSATURATED CARBOXYLIC ACID; AND BLENDING FROM 1 TO 99 PARTS OF SAID POLYAMIDE AND FROM 99 TO 1 PARTS OF SAID COPOLYMER IN COAGULATED DRIED FORM BY MECHANICAL MASTICATION.
Claim 4
Dependent Claim
87 words
A PROCESS FOR PREPARING A HOMOGENEOUS BLEND OF SYNTHETIC POLYMERIC MATERIALS WHICH COMPRISES: PROVIDING AN ETHYLENICALLY UNSATURATED NEUTRAL MONOMER WHOSE POLYMER IS NORMALLY SUBSTANTIALLY INCOMPATIBLE WITH A SYNTHETIC LINEAR POLYAMIDE; FORMING A SUBSTANTIALLY LINEAR COPOLYMER BY COPOLYMERIZING FROM 98 TO 50 PARTS BY WEIGHT OF SAID MONOMER WITH FROM 2 TO 50 PARTS BY WEIGHT OF AN A,B-ETHYLENICALLY UNSATURATED CARBOXYLIC ACID; AND BLENDING FROM 1 TO 99 PARTS OF SAID POLYAMIDE AND FROM 99 TO 1 PARTS OF SAID COPOLYMER IN COAGULATED DRIED FORM BY MECHANICAL MASTICATION.
References Cited (Backward Citations)
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US2524045A
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US2952043A
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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) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |