diff --git a/src/main/org/openscience/cdk/libio/jena/CDK.java b/src/main/org/openscience/cdk/libio/jena/CDK.java
index 4dfeb5d2ff9..7e8b596764a 100644
--- a/src/main/org/openscience/cdk/libio/jena/CDK.java
+++ b/src/main/org/openscience/cdk/libio/jena/CDK.java
@@ -43,6 +43,7 @@ private static final Property property(String local) {
     public static final Resource Bond = resource("Bond");
     public static final Resource ChemObject = resource("ChemObject");
     public static final Resource Element = resource("Element");
+    public static final Resource AtomType = resource("AtomType");
     
     // IBond.Order
     public static final Resource SingleBond = resource("SingleBond");
@@ -70,5 +71,7 @@ private static final Property property(String local) {
     public static final Property identfier = property("identifier");
     public static final Property hasAtomicNumber = property("hasAtomicNumber");
     public static final Property hasHybridization = property("hasHybridization");
+    public static final Property hasAtomTypeName = property("hasAtomTypeName");
+    public static final Property hasMaxBondOrder = property("hasMaxBondOrder");
 
 }
\ No newline at end of file
diff --git a/src/main/org/openscience/cdk/libio/jena/Convertor.java b/src/main/org/openscience/cdk/libio/jena/Convertor.java
index 5127b3ef34d..ae4c9e2b585 100644
--- a/src/main/org/openscience/cdk/libio/jena/Convertor.java
+++ b/src/main/org/openscience/cdk/libio/jena/Convertor.java
@@ -33,6 +33,7 @@
 import org.openscience.cdk.interfaces.IElement;
 import org.openscience.cdk.interfaces.IMolecule;
 import org.openscience.cdk.interfaces.IAtomType.Hybridization;
+import org.openscience.cdk.interfaces.IBond.Order;
 
 import com.hp.hpl.jena.rdf.model.Model;
 import com.hp.hpl.jena.rdf.model.ModelFactory;
@@ -154,6 +155,15 @@ private static void serializeAtomTypeFields(Model model,
                 model.add(rdfObject, CDK.hasHybridization, CDK.SP3D5);
             }
         }
+        if (type.getAtomTypeName() != null) {
+            model.add(rdfObject, CDK.hasAtomTypeName, type.getAtomTypeName());
+        }
+        if (type.getMaxBondOrder() != null) {
+            model.add(
+                rdfObject, CDK.hasMaxBondOrder,
+                order2Resource(type.getMaxBondOrder())
+            );
+        }
     }
 
     private static void deserializeAtomTypeFields(
@@ -184,6 +194,41 @@ private static void deserializeAtomTypeFields(
                 element.setHybridization(Hybridization.SP3D5);
             }
         }
+        Statement name = rdfObject.getProperty(CDK.hasAtomTypeName);
+        if (name != null) {
+            element.setAtomTypeName(name.getString());
+        }
+        Statement order = rdfObject.getProperty(CDK.hasMaxBondOrder);
+        if (order != null) {
+            Resource maxOrder = (Resource)order.getResource();
+            element.setMaxBondOrder(resource2Order(maxOrder));
+        }
+    }
+
+    public static Order resource2Order(Resource rdfOrder) {
+        if (rdfOrder.equals(CDK.SingleBond)) {
+            return Order.SINGLE;
+        } else if (rdfOrder.equals(CDK.DoubleBond)) {
+            return Order.DOUBLE;
+        } else if (rdfOrder.equals(CDK.TripleBond)) {
+            return Order.TRIPLE;
+        } else if (rdfOrder.equals(CDK.QuadrupleBond)) {
+            return Order.QUADRUPLE;
+        }
+        return null;
+    }
+
+    public static Resource order2Resource(Order order) {
+        if (order == Order.SINGLE) {
+            return CDK.SingleBond;
+        } else if (order == Order.DOUBLE) {
+            return CDK.DoubleBond;
+        } else if (order == Order.TRIPLE) {
+            return CDK.TripleBond;
+        } else if (order == Order.QUADRUPLE) {
+            return CDK.QuadrupleBond;
+        }
+        return null;
     }
 
     private static String createIdentifier(Model model, IChemObject object) {
diff --git a/src/test/org/openscience/cdk/libio/jena/ConvertorTest.java b/src/test/org/openscience/cdk/libio/jena/ConvertorTest.java
index aba1a041350..2c8cc943787 100644
--- a/src/test/org/openscience/cdk/libio/jena/ConvertorTest.java
+++ b/src/test/org/openscience/cdk/libio/jena/ConvertorTest.java
@@ -31,6 +31,7 @@
 import org.openscience.cdk.interfaces.IChemObjectBuilder;
 import org.openscience.cdk.interfaces.IMolecule;
 import org.openscience.cdk.interfaces.IAtomType.Hybridization;
+import org.openscience.cdk.interfaces.IBond.Order;
 import org.openscience.cdk.nonotify.NNAtom;
 import org.openscience.cdk.nonotify.NNMolecule;
 import org.openscience.cdk.nonotify.NoNotificationChemObjectBuilder;
@@ -109,6 +110,17 @@ private void roundtripBond_Order(IBond.Order order) {
         Assert.assertEquals("Unexpected diff: " + diff, 0, diff.length());
     }
 
+    @Test public void roundtripAtomType() {
+        IMolecule mol = new NNMolecule();
+        IAtom object = new NNAtom("C");
+        object.setAtomTypeName("C.sp3");
+        mol.addAtom(object);
+        Model model = Convertor.molecule2Model(mol);
+        IMolecule rtMol = Convertor.model2Molecule(model, builder);
+        String diff = AtomContainerDiff.diff(mol, rtMol);
+        Assert.assertEquals("Unexpected diff: " + diff, 0, diff.length());
+    }
+
     @Test public void roundtripAtomType_S() {
         roundtripAtomType_Hybridization(Hybridization.S);
     }
@@ -151,4 +163,27 @@ private void roundtripAtomType_Hybridization(Hybridization hybrid) {
         Assert.assertEquals("Unexpected diff: " + diff, 0, diff.length());
     }
 
+    @Test public void testAtomType_MaxBondOrder_SINGLE() {
+        roundtripAtomType_MaxBondOrder(Order.SINGLE);
+    }
+    @Test public void testAtomType_MaxBondOrder_DOUBLE() {
+        roundtripAtomType_MaxBondOrder(Order.DOUBLE);
+    }
+    @Test public void testAtomType_MaxBondOrder_TRIPLE() {
+        roundtripAtomType_MaxBondOrder(Order.TRIPLE);
+    }
+    @Test public void testAtomType_MaxBondOrder_QUAD() {
+        roundtripAtomType_MaxBondOrder(Order.QUADRUPLE);
+    }
+
+    private void roundtripAtomType_MaxBondOrder(Order order) {
+        IMolecule mol = new NNMolecule();
+        IAtom object = new NNAtom("C");
+        object.setMaxBondOrder(order);
+        mol.addAtom(object);
+        Model model = Convertor.molecule2Model(mol);
+        IMolecule rtMol = Convertor.model2Molecule(model, builder);
+        String diff = AtomContainerDiff.diff(mol, rtMol);
+        Assert.assertEquals("Unexpected diff: " + diff, 0, diff.length());
+    }
 }