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US3220968A Expired / Lapsed US ⏱️ 0.0 years remaining

Storable polychloroprene polymer solution

Assignee: Bayer AG
•
Filing: 1961-03-21
•
Granted: 1965-11-30
•
Expires: 1981-03-21
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Abstract

No abstract record available.

Inventors

  • 👤 Dollhausen Manfred
  • 👤 Bock Eugen

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 12:28
CPC Classifications
C; C09; C09J; C09J111/00; C08; C08K; C08K5/00; C08K5/04; C08K5/09; C08K5/092; C08K5/13; C08K5/15; C08K5/151; C08K5/1535; C08K5/1539

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 175 words
A STORABLE SOLUTION OF RUBBERY CHLOROPRENE POLYMER IN AN ORGANIC SOLVENT, WHICH SOLUTION IS SUITABLE FOR THE PRODUCTION OF ADHESIVE CONNECTIONS AND COATINGS WHICH CONSIST ESSENTIALLY OF A RUBBERY CHLOROPRENE POLYMER AND (1) 0.1-20% BY WEIGHT OF AN AROMATIC HYDROXY COMPOUND SELECTED FROM THE GROUP CONSISTING OF (A) A MONONUCLEAR AROMATIC POLYHYDROXY ALCOHOL CONTAINING A MAXIMUM OF THREE HYDROXY GROUPS, TWO OF WHICH ARE IN ORTHO POSTION ONE TO THE OTHER, (B) ONE OF SAID MONONUCLEAR AROMATIC POLYHYDROXY ALCOHOLS WHICH IS SUBSTITUTED WITH AN ALIPHATIC RADICAL CONTAINING UP TO 4 CARBON ATOMS, AND (C) AN ALKYLPHENOL-FORMALDEHYDE RESIN MODIFIED WITH SAID MONONUCLEAR AROMATIC POLYHYDROXY ALCOHOL, (2) 0.5-20% BY WEIGHT OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF AN ALIPHATIC CARBOXYLIC ACID CONTAINING A MAXIMUM OF THREE CARBOXYL GROUPS AND FROM 3 TO 10 CARBON ATOMS, AND AN ANHYDRIDE OF SAID CARBOXYLIC ACID, AND (3) 0.-525% BY WEIGHT OF A ZINC COMPOUND SELECTED FROM THE GROUP CONSISTING OF A ZINO SALT AND ZINC OXIDE, SAID PERCENTAGES BEING BASED ON THE CHLOROPRENE POLYMER CONTENT OF SAID SOLUTION.
Claim 2
Dependent Claim 175 words
A STORABLE SOLUTION OF RUBBERY CHLOROPRENE POLYMER IN AN ORGANIC SOLVENT, WHICH SOLUTION IS SUITABLE FOR THE PRODUCTION OF ADHESIVE CONNECTIONS AND COATINGS WHICH CONSIST ESSENTIALLY OF A RUBBERY CHLOROPRENE POLYMER AND (1) 0.1-20% BY WEIGHT OF AN AROMATIC HYDROXY COMPOUND SELECTED FROM THE GROUP CONSISTING OF (A) A MONONUCLEAR AROMATIC POLYHYDROXY ALCOHOL CONTAINING A MAXIMUM OF THREE HYDROXY GROUPS, TWO OF WHICH ARE IN ORTHO POSTION ONE TO THE OTHER, (B) ONE OF SAID MONONUCLEAR AROMATIC POLYHYDROXY ALCOHOLS WHICH IS SUBSTITUTED WITH AN ALIPHATIC RADICAL CONTAINING UP TO 4 CARBON ATOMS, AND (C) AN ALKYLPHENOL-FORMALDEHYDE RESIN MODIFIED WITH SAID MONONUCLEAR AROMATIC POLYHYDROXY ALCOHOL, (2) 0.5-20% BY WEIGHT OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF AN ALIPHATIC CARBOXYLIC ACID CONTAINING A MAXIMUM OF THREE CARBOXYL GROUPS AND FROM 3 TO 10 CARBON ATOMS, AND AN ANHYDRIDE OF SAID CARBOXYLIC ACID, AND (3) 0.-525% BY WEIGHT OF A ZINC COMPOUND SELECTED FROM THE GROUP CONSISTING OF A ZINO SALT AND ZINC OXIDE, SAID PERCENTAGES BEING BASED ON THE CHLOROPRENE POLYMER CONTENT OF SAID SOLUTION.

References Cited (Backward Citations)

US2343558A Cited
US2482293A Cited
US2537646A Cited
US2664413A Cited
US2876210A Cited
US3027351A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-11-29 1969-05-31 1969-11-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-11-29 1973-05-31 1973-11-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-11-29 1977-05-31 1977-11-30 $7700.00 Window Closed / Lapsed

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