US3086951A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of preparing unmilled polychloroprene-phenol formaldehyde adhesive solution, and resultant product
Assignee: Armstrong World Industries Inc
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Filing: 1960-04-29
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Granted: 1963-04-23
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Expires: 1980-04-29
Abstract
No abstract record available.
Inventors
- 👤 Raymond G Wile
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:36
CPC Classifications
C; C09; C09J; C09J111/00; C08; C08L; C08L2666/00; C08L2666/02; C08L2666/14
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
198 words
A METHOD OF PREPARING A POLYCHLOROPRENE-BASE ADHESIVE CHARACTERIZED BY EXCELLENT SHEAR STRENGTH WHICH COMPRISES THE STEPS OF PREPARING A FIRST SOLUTION BY DISSOLVING UNMILLED POLYAN ORGANIC SOLVENT FOR POLYCHLOROPRENE BASED UPON THE WEIGHT OF SAID POLYCHLOROPRENE, PREPARING A SECOND SOLUTION BY DISSOLVING AN OIL-SOLUBLE, HEAT-ADVANCING PHENOL-FORMALDEHYDE RESIN, WITH STIRRING, IN AN ORGANIC SOLVENT FOR POLYCHLOROPRENE WHICH IS COMPATIBLE WITH SAID FIRST SOLUTION THE AMOUNT OD SAID PHENOL-FORMALDEHYDE RESIN BEING FROM 30 TO 120 PARTS BY WEIGHT PER 100 PARTS BY WEIGHT OF SAID POLYCHLOROPRENE IN SAID FIRST SOLUTION, ADDING TO SAID SECOND SOLUTION FROM 10 TO 40 PARTS BY WEIGHT OF AN ALKALINE EARTH METAL OXIDE PER 100 PARTS BY WEIGHT OF SAID POLYCHLOROPRENE IN SAID FIRST SOLUTION TO FORM A SLURRY OF SAID METAL OXIDE HAVING A SOLIDS CONTENT OF FROM 50 TO 60 PERCENT BY WEIGHT OF SOLIDS, GRINDING SAID SLURRY TO REDUCE THE FINENESS OF SAID ALKALINE EARTH METAL OXIDE TO A READING OF 5 TO 8 ON A HEGMAN GRIND GAGE AND PROVIDE STABILITY AGAINST SETTLING, AND MIXING SAID FIRST AND SECOND SOLUTIONS, WITH SIMPLE AGITATION, TO PROVIDE AN ADHESIVE COMPOSITION HAVING A TOTAL SOLIDS CONTENT OF FROM ABOUT 10 TO ABOUT 65 PERCENT.
Claim 2
Independent Claim
198 words
A METHOD OF PREPARING A POLYCHLOROPRENE-BASE ADHESIVE CHARACTERIZED BY EXCELLENT SHEAR STRENGTH WHICH COMPRISES THE STEPS OF PREPARING A FIRST SOLUTION BY DISSOLVING UNMILLED POLYAN ORGANIC SOLVENT FOR POLYCHLOROPRENE BASED UPON THE WEIGHT OF SAID POLYCHLOROPRENE, PREPARING A SECOND SOLUTION BY DISSOLVING AN OIL-SOLUBLE, HEAT-ADVANCING PHENOL-FORMALDEHYDE RESIN, WITH STIRRING, IN AN ORGANIC SOLVENT FOR POLYCHLOROPRENE WHICH IS COMPATIBLE WITH SAID FIRST SOLUTION THE AMOUNT OD SAID PHENOL-FORMALDEHYDE RESIN BEING FROM 30 TO 120 PARTS BY WEIGHT PER 100 PARTS BY WEIGHT OF SAID POLYCHLOROPRENE IN SAID FIRST SOLUTION, ADDING TO SAID SECOND SOLUTION FROM 10 TO 40 PARTS BY WEIGHT OF AN ALKALINE EARTH METAL OXIDE PER 100 PARTS BY WEIGHT OF SAID POLYCHLOROPRENE IN SAID FIRST SOLUTION TO FORM A SLURRY OF SAID METAL OXIDE HAVING A SOLIDS CONTENT OF FROM 50 TO 60 PERCENT BY WEIGHT OF SOLIDS, GRINDING SAID SLURRY TO REDUCE THE FINENESS OF SAID ALKALINE EARTH METAL OXIDE TO A READING OF 5 TO 8 ON A HEGMAN GRIND GAGE AND PROVIDE STABILITY AGAINST SETTLING, AND MIXING SAID FIRST AND SECOND SOLUTIONS, WITH SIMPLE AGITATION, TO PROVIDE AN ADHESIVE COMPOSITION HAVING A TOTAL SOLIDS CONTENT OF FROM ABOUT 10 TO ABOUT 65 PERCENT.
Claim 3
Dependent Claim
14 words
A POLYCHLOROPRENE-BASE ADHESIVE HAVING HIGH SHEAR STRENGTH PRODUCED BY THE PROCESS OF CLAIM 1.
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) | 1966-04-22 | 1966-10-22 | 1967-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-22 | 1970-10-22 | 1971-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-22 | 1974-10-22 | 1975-04-23 | $7700.00 | Window Closed / Lapsed |