1
H Craig Silvis, Jerry E White: Hydroxyl functionalized polyetheramines as barrier packaging for oxygen-sensitive materials. The Dow Chemical Company, January 4, 1994: US05275853 (68 worldwide citation)

Polyetheramines having improved barrier to oxygen are thermoplastic polymers having aromatic ether/amine repeating units in their backbones and pendant hydroxyl moieties. Such polyetheramines are prepared by reacting diglycidyl ethers of dihydric aromatic compounds such as the diglycidyl ether of bi ...


2
Yuh Chin Hwang, Stephen R Betso, Thomas J McKeand Jr, H Craig Silvis, Deepak R Parikh, Don J Germano, Seema V Karande: Paintable olefinic interpolymer compositions. The Dow Chemical Company, Dow Europe, March 16, 1999: US05883188 (56 worldwide citation)

Paintable thermoplastic polyolefin compositions are disclosed which comprise (i) about 20 to about 70 wt % of at least one graft-modified polypropylene, (ii) about 10 to about 40 wt % of at least one nongrafted or graft-modified homogeneously branched linear ethylene polymer, ethylene-propylene mono ...


3
H Craig Silvis, Shari L Kram: Flexible poly(amino ethers) for barrier packaging. The Dow Chemical Company, November 7, 1995: US05464924 (56 worldwide citation)

Polyaminoethers prepared by reacting (1) a primary amine or bis(secondary) diamine with (2) a diglyeidyl ether and (3) an amine- or epoxy-functionalized poly(alkylene oxide) exhibit a combination of low glass transition temperature (Tg of 14.degree. C. to 73.degree. C.) and low oxygen transmission r ...


4
Patricia Ansems, H Craig Silvis, Lisa S Madenjian: Polyolefin composition with improved impact properties. Dow Global Technology, October 29, 2002: US06472473 (45 worldwide citation)

The present invention includes a composition comprising a coupled impact propylene copolymer. Preferably, the coupled impact propylene copolymer has an elastomeric phase that is present in an amount of at least 9 weight percent of the coupled propylene copolymer. Articles formed from the coupled pro ...


5
Patricia Ansems, Ashish Batra, Laura Bauerle Weaver, Lawrence J Effler, H Craig Silvis, Hamed Lakrout, Laura K Mergenhagen: Polyolefin compositions and articles prepared therefrom, and methods for making the same. Dow Global Technologies, Whyte Hirschboeck Dudek SC, October 16, 2012: US08288470 (35 worldwide citation)

The invention provides a composition comprising at least one olefin multi-block interpolymer; at least one functionalized olefin-based polymer; and optionally at least one thermoplastic polyurethane. The invention also provides for articles prepared from the inventive compositions and for methods fo ...


6
H Craig Silvis, Daniel J Murray, Thomas R Fiske, Stephen R Betso, Robert R Turley: Impact modification of thermoplastics. The Dow Chemical Company, October 28, 1997: US05681897 (34 worldwide citation)

Compositions having good low temperature impact performance made from a thermoplastic (e.g., a polyolefin such as polypropylene) and either at least one linear ethylene/C.sub.5 -C.sub.20 .alpha.-olefin or at least one substantially linear ethylene/C.sub.3 -C.sub.20 .alpha.-olefin polymer are disclos ...


7
H Craig Silvis, Jody R Berman, Jerry E White: Polyhydroxyethers from hydroxybiphenyls. The Dow Chemical Company, March 3, 1987: US04647648 (33 worldwide citation)

Polyhydroxyethers formed by reacting a diglycidyl ether of biphenol, such as diglycidyl ethers of bisphenol-A, and a dihydroxybiphenyl, such as dihydroxybiphenyl, tetramethyldihydroxybiphenyl, and tetrabromotetramethyldihydroxybiphenyl, exhibit high heat distortion temperatures. These compositions c ...


8
Yuh Chin Hwang, Thomas J McKeand Jr, Stephen R Betso, H Craig Silvis, Deepak R Parikh, Don J Germano: Paintable olefinic interpolymer compositions. The Dow Chemical Company, June 13, 1995: US05424362 (32 worldwide citation)

Paintable thermoplastic polyolefin compositions are disclosed which comprise (i) 30 to about 70 wt % of at least one polypropylene or graft-modified polypropylene, (ii) 0 to about 40 wt % of at least one nongrafted or graft-modified substantially linear ethylene polymer, and (iii) 0 to about 50 wt % ...


9
Bharat I Chaudhary, Thoi H Ho, Seema V Karande, Che I Kao, Robert H Terbrueggen, David A Babb, Clark H Cummins, Michael J Mullins, H Craig Silvis: Crosslinking of polymers and foams thereof. The Dow Chemical Company, December 4, 2001: US06325956 (29 worldwide citation)

The invention includes a process comprising (a) forming a polymeric admixture including at least one polyolefin which has been prepared using a single site catalyst and at least a crosslinking amount of at least one poly(sulfonyl azide) crosslinking agent; (b) shaping the resulting admixture; and (c ...


10
Michael B Cavitt, Jerry E White, John M Beckerdite, H Craig Silvis: Hydroxy-functionalized poly(amino ether) salts. The Dow Chemical Company, Nemia C Damocles, November 10, 1998: US05834078 (27 worldwide citation)

Poly(hydroxyaminoether) ammonium salts are prepared by contacting a poly(hydroxy amino ether) with a protonic acid or an alkyl halide in an amount and under reaction conditions sufficient to form a poly(hydroxy amino ether) ammonium salt having an oxygen transmission rate of less than about 0.5 cm.s ...