Catherine M Britsch

6790925, Sep 14, 2004

Dec 5, 2002

10/310313

Karsten Danielmeier - Solingen-Burg, DE
Catherine M. Britsch - Pittsburgh PA
Rolf Gertzmann - Leverkusen, DE
Michele E. Vargo - Pittsburgh PA
Terrell D. Wayt - Moundsville WV
Edward P. Squiller - Bridgeville PA
Richard R. Roesler - Wexford PA

Bayer Polymers LLC - Pittsburg PA
Bayer Aktiengesellschaft - Leverkusen

C08G 1850

528 68, 25218228, 528 76, 528 80, 528332, 528335, 528342, 528345, 528392, 560171

The present invention relates to polyaspartate mixtures containing a) 5 to 50 equiv. %, based on the total equivalents of aspartate groups, of a polyoxypropylene polyaspartate corresponding to the formula wherein X represents the residue obtained by removing the amino groups from a polyoxypropylene polyamine having a functionality of n, R and R are identical or different and represent organic groups which are inert to isocyanate groups at a temperature of 100Â C. or less, R and R are identical or different and represent hydrogen or organic groups which are inert towards isocyanate groups at a temperature of 100Â C. or less and n is 2 to 4, and b) 50 to 95 equiv. %, based on the total equivalents of aspartate groups, of a polyether polyaspartate corresponding to the formula I wherein X represents the residue obtained by removing the amino groups from a polyether polyamine having a functionality of n and a number average molecular weight of less than 5000, wherein the amino groups are attached to primary carbon atoms and the ether groups are separated by at least two carbon atoms. The present invention also relates to a process for preparing these polyaspartate mixtures and to the polyureas prepared by reacting the polyaspartate mixtures and optionally other isocyanate-reactive compounds with polyisocyanates.

7135505, Nov 14, 2006

Oct 25, 2004

10/972722

Richard R. Roesler - Wexford PA, US
Katherine M. Ratliff - Ambridge PA, US
Catherine M. Britsch - Pittsburgh PA, US
Charles A. Gambino - McDonald PA, US

Bayer Materialscience LLC - Pittsburgh PA

C08G 18/62

522 96, 528 49, 528 73, 528 75

A radiation curable coating composition that includes from about 5 to about 70% by weight of the reaction product of i) one or more polyisocyanates, where at least 10 equivalent percent of the isocyanate groups are in the form of uretdione groups, and ii) one or more hydroxy functional lactone ester (meth)acrylates. The amount of component i), on an isocyanate equivalent basis, is equal to the amount of hydroxy equivalents of hydroxy containing materials in the composition. The composition can be used to coat substrates by coating at least a portion of the substrate with the above-described coating composition and subjecting the coated substrate to radiation.

7956098, Jun 7, 2011

Apr 12, 2005

11/104174

Richard R. Roesler - Wexford PA, US
Charles A. Gambino - McDonald PA, US
Catherine M. Britsch - Pittsburgh PA, US

Bayer MaterialScience LLC - Pittsburgh PA

C08G 18/67

522 90, 522174, 528 52, 528 84

The present invention relates to a binder-containing coating composition, which may be cured by free radical polymerization, wherein the binder resins containA) the reaction product of i) one or more polyisocyanates with ii) a hydroxyl component containing ii-a) one or more hydroxyl compounds containing two ethylenically unsaturated groups,B) the reaction product of i) one or more polyisocyanates with ii) a hydroxyl component containing ii-a) one or more hydroxy functional lactone ester (meth)acrylates having a number average molecular weight of about 200 to 2,000, andC) the reaction product of i) one or more polyisocyanates with ii) a hydroxyl component containing ii-a) one or more hydroxy functional (meth)acrylates.

20040063893, Apr 1, 2004

Sep 26, 2002

10/255388

Karsten Danielmeier - Bethel Park PA, US
Catherine M. Britsch - Pittsburgh PA, US
Rolf Gertzmann - Leverkusen, DE
Michele Vargo - Pittsburgh PA, US
Terrell Wayt - Moundsville WV, US
Edward Squiller - Bridgeville PA, US

C08G067/00

528/044000, 528/272000, 528/288000, 528/073000

The present invention relates to polyaspartates corresponding to the formula wherein Xrepresents the residue obtained by removing the amino groups from a polyether polyamine having a functionality of n and a number average molecular weight of less than 600, wherein the amino groups are attached to primary carbon atoms and the ether groups are separated by at least two carbon atoms, Rand Rare identical or different and represent organic groups which are inert to isocyanate groups at a temperature of 100 C. or less, Rand Rare identical or different and represent hydrogen or organic groups which are inert towards isocyanate groups at a temperature of 100 C. or less and n is 2 to 4. The present invention also relates to polyureas prepared by reacting the polyaspartates and optionally other isocyanate-reactive compounds with polyisocyanates.

20040063894, Apr 1, 2004

Sep 26, 2002

10/256179

Karsten Danielmeier - Bethel Park PA, US
Catherine Britsch - Pittsburgh PA, US
Rolf Gertzmann - Leverkusen, DE
Michele Vargo - Pittsburgh PA, US
Terrell Wayt - Moundsville WV, US
Edward Squiller - Bridgeville PA, US
Richard Roesler - Pittsburgh PA, US

C08G065/00
C08G073/02

528/044000, 528/272000, 528/288000

The present invention relates to polyaspartate mixtures containing a) 5 to 70 equiv. %, based on the total equivalents of aspartate groups, of a cyclic polyaspartate corresponding to the formula wherein Xrepresents the residue obtained by removing the amino groups from a cyclic polyamine having a functionality of n, Rand Rare identical or different and represent organic groups which are inert to isocyanate groups at a temperature of 100 C. or less, Rand Rare identical or different and represent hydrogen or organic groups which are inert towards isocyanate groups at a temperature of 100 C. or less and n is 2 to 4, and b) 30 to 95 equiv. %, based on the total equivalents of aspartate groups, of a polyether polyaspartate corresponding to the formula I wherein Xrepresents the residue obtained by removing the amino groups from a polyether polyamine having a functionality of n and a number average molecular weight of less than 600, wherein the amino groups are attached to primary carbon atoms and the ether groups are separated by at least two carbon atoms. The present invention also relates to a process for preparing these polyaspartate mixtures and to the polyureas prepared by reacting the polyaspartate mixtures and optionally other isocyanate-reactive compounds with polyisocyanates.

20060128923, Jun 15, 2006

Dec 15, 2004

11/012456

Richard Roesler - Wexford PA, US
Carol Kinney - Eighty Four PA, US
Catherine Britsch - Pittsburgh PA, US

C08G 18/00

528044000

A radiation curable resin that includes from 10 to 40 equivalent percent (based on the isocyanate groups) of the resin of an allophanate containing material having one or two allophanate groups; from 0 to 40 equivalent percent of the resin of an allophanate containing material having three or more allophanate groups; and from 60 to 90 percent by equivalent of the resin of urethane acrylates. The resin has an equivalent weight of ethylenically unsaturated groups capable of undergoing a polymerization reaction of from 0.001 to 0.008 eq./g. The resin is used in radiation curable coating compositions that also include one or more photoinitiators, and optionally one or more reactive diluents, and optionally a solvent or solvent mixture.

20090142506, Jun 4, 2009

Nov 29, 2007

11/998381

Richard R. Roesler - Wexford PA, US
Lanny D. Venham - Oakdale PA, US
Catherine M. Britsch - Pittsburgh PA, US
Charles A. Gambino - McDonald PA, US

B05D 3/06
C08G 18/72
C08J 3/28

427487, 528 60, 522 97, 4273855

This invention relates to ethylenically unsaturated polyisocyanate addition compounds and to coating compositions prepared from these ethylenically unsaturated polyisocyanate addition compounds. These ethylenically unsaturated polyisocyanate addition compounds resins comprise the reaction product of (a) lysine triisocyanate and (b) at least one hydroxy-functional (meth)acrylate.