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Drying shrinkage cement admixture 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • C09D-007/12
  • C08L-071/02
출원번호 US-0529389 (1995-09-18)
발명자 / 주소
  • Berke Neal S. (Chelmsford MA) Dallaire Michael P. (Dover NH) Gartner Ellis M. (Silver Spring MD) Kerkar Awdhoot V. (Columbia MD) Martin Timothy J. (West Sussex GB2)
출원인 / 주소
  • W.R. Grace & Co.-Conn. (New York NY 02)
인용정보 피인용 횟수 : 54  인용 특허 : 0

초록

A cement admixture composed of a low molecular weight oxyalkylene compound and a comb polymer having carboxylic acid groups and oxyalkylene units therein.

대표청구항

A cement admixture capable of enhancing inhibition of drying shrinkage comprising a mixture of: A) at least one oxyalkylene glycol, oxyalkylene ether glycol or mixtures thereof having a molecular weight of up to about 4000; and B) a comb polymer of a molecular weight of from 2,000 to 100,000 having

이 특허를 인용한 특허 (54)

  1. Leslie A. Jardine ; Hideo Koyata ; Kevin J. Folliard ; Chia-Chih Ou ; Felek Jachimowicz ; Byong-Wa Chun ; Ara A Jeknavorian ; Christon L. Hill, Admixture and method for optimizing addition of EO/PO superplasticizer to concrete containing smectite clay-containing aggregates.
  2. Kerkar, Awdhoot V.; Hazrati, Kati, Admixture for minimizing the presence of surface dust on cement and concrete structures.
  3. Jardine, Leslie A.; Koyata, Hideo; Folliard, Kevin J.; Ou, Chia-Chih; Jachimowicz, Felek; Chun, Byong-Wa; Jeknavorian, Ara A; Hill, Christon L., Admixture for optimizing addition of EO/PO plasticizers.
  4. Neal S. Berke ; Maria C. Hicks ; James J. Malone, Air entraining admixture compositions.
  5. Budiansky Noah D. ; Williams Brent S. ; Chun Byong-Wa, Air entrainment with polyoxyalkylene copolymers for concrete treated with oxyalkylene SRA.
  6. Chia-Chih Ou ; Ara A. Jeknavorian ; Christon L. Hill, Air management in cementitious mixtures having plasticizer and a clay-activity modifying agent.
  7. Zhang, Zhaozhou; Hill, Russell L.; Shaw, Brian, Amine sacrificial agents and methods and products using same.
  8. Tsuyoshi Hirata JP; Koichiro Nagare JP, Anti-shrinkage agent for hydraulic material.
  9. Berke, Neal S.; Merritt, Jordan S.; Li, Lianfang; Aldykiewicz, Jr., Antonio J.; Wiercinski, Robert A.; Morgan, Michael D., Articles made from cementitious foam and slurry.
  10. Durning, Timothy A.; Roberts, Lawrence R.; Berke, Neal S., Avoiding cracking and curling in concrete flooring upon which water-based adhesives are employed.
  11. Durning,Timothy A.; Roberts,Lawrence R.; Berke,Neal S., Avoiding cracking and curling in concrete flooring upon which water-based adhesives are employed.
  12. Lewis, Jennifer A.; Li, Qi; Rao, Ranjeet, Biphasic inks.
  13. Shimoyama, Yoshihide; Ayata, Takashi; Tanaka, Satoshi; Hondo, Fumiaki, Cement additive, and concrete composition and structure both containing the same.
  14. Yamashita Akihiko,JPX ; Hirata Tsuyoshi,JPX ; Yuasa Tsutomu,JPX ; Niwa Hirokazu,JPX, Cement admixture and cement composition.
  15. Yamashita Akihiko,JPX ; Hirata Tsuyoshi,JPX ; Yuasa Tsutomu,JPX ; Niwa Hirokazu,JPX, Cement admixture and cement composition.
  16. Akihiko Yamashita JP; Hiroshi Mitsukawa JP; Tsuyoshi Hirata JP, Cement admixture and cement composition comprising this.
  17. High,Steven L., Chemical induced pre-stressed zones in concrete.
  18. Wombacher, Franz; Maeder, Urs, Composition and its use for improving the processibility of hydraulically setting compositions.
  19. Lewis,Jennifer A.; Kirby,Glen; Cheung,Josephine Ho Wah; Jeknavorian,Ara Avedis, Controlled dispersion of colloidal suspension by comb polymers.
  20. Schaef, Steve; Attiogbe, Emmanuel; Kerobo, Charles; Muessig, Stefan; Vojtko, Daniel, Crack-reducing admixture for cementitious compositions.
  21. Kuo, Lawrence L., Defoamers for hydratable cementitious compositions.
  22. Kuo, Lawrence L., Defoamers for hydratable cementitious compositions.
  23. Gratson, Gregory; Lewis, Jennifer A., Directed assembly of three-dimensional structures with micron-scale features.
  24. Gratson,Gregory; Lewis,Jennifer A., Directed assembly of three-dimensional structures with micron-scale features.
  25. Kerkar Awdhoot Vasant (7042 Ivoryhand Pl. Columbia MD 21045) Dallaire Michael Paul (103 Henry Law Ave. Dover NH 03820), Drying shrinkage cement admixture.
  26. Liu, Qingxia; Shake, Michael P.; Blackburn, David R.; Hinshaw, Stewart, Effective use of dispersants in wallboard containing foam.
  27. Kerkar Awdhoot V. ; Kumar Vikram, Efflorescence control in cementitious compositions and masonry units.
  28. Darwin David Charles ; Taylor Robert T. ; Jeknavorian Ara A. ; Shen Ding Feng, Emulsified comb polymer and defoaming agent composition and method of making same.
  29. Lettkeman, Dennis M.; Liu, Qingxia; Wilson, John W.; Randall, Brian S.; Blackburn, David R.; Shake, Michael P., Fast drying gypsum products.
  30. Blackburn, David R.; Lu, Runhai; Tracy, Sharon L.; Liu, Qingxia; Wittbold, James R.; Petersen, Bruce Lynn; Li, Alfred; Fall, John L.; Shake, Michael P.; Lee, Chris, Foamed slurry and building panel made therefrom.
  31. Blackburn, David R.; Lu, Runhai; Tracy, Sharon L.; Liu, Qingxia; Wittbold, James R.; Petersen, Bruce Lynn; Li, Alfred; Fall, John L.; Shake, Michael P.; Lee, Chris, Foamed slurry and building panel made therefrom.
  32. Wittbold, James R.; Petersen, Bruce Lynn; Li, Alfred, Foamed slurry and building panel made therefrom.
  33. Blackburn, David R.; Shake, Michael P.; Liu, Qingxia, Gypsum products utilizing a two-repeating unit dispersant and a method for making them.
  34. Blackburn, David R.; Shake, Michael P.; Liu, Qingxia, Gypsum products utilizing a two-repeating unit dispersant and a method for making them.
  35. Liu, Qingxia; Shake, Michael P.; Blackburn, David R.; Wilson, John W.; Randall, Brian; Lettkeman, Dennis M., Gypsum products utilizing a two-repeating unit dispersant and a method for making them.
  36. Liu, Qingxia; Shake, Michael P.; Blackburn, David R.; Wilson, John W.; Randall, Brian; Lettkeman, Dennis M., Gypsum products utilizing a two-repeating unit dispersant and a method of making them.
  37. Jardine, Leslie A.; Cheung, Josephine H.; Freitas, Walter M., High early strength cement and additives and methods for making the same.
  38. Lettkeman,Dennis Mark; Kaligian, II,Raymond A.; Bedwell,William K.; Whiteside,Eldon L., High molecular weight additives for calcined gypsum and cementitious compositions.
  39. Jardine, Leslie A.; Myers, David F.; Ranganathan, Anandakumar, High solids pumpable cement additives.
  40. Lettkeman,Dennis M.; Wilson,John W.; Bedwell,William K., High strength flooring compositions.
  41. Lettkeman,Dennis Mark; Kaligian, II,Raymond A.; Whiteside,Eldon L.; Bedwell,William K.; Meiseman,Sharon, High strength flooring compositions.
  42. Sau Arjun C., Hydrophobically modified comb copolymers.
  43. Aldykiewicz, Jr., Antonio J.; Bentur, Arnon; Berke, Neal S.; Ou, Chia-Chih, Integrally waterproofed concrete.
  44. Aldykiewicz, Jr., Antonio J.; Bentur, Arnon; Berke, Neal S.; Ou, Chia-Chih, Integrally waterproofed concrete.
  45. Liu, Qingxia; Blackburn, David R.; Shake, Michael P.; Randall, Brian; Wilson, John W.; Lettkeman, Dennis M., Method of making a gypsum slurry with modifiers and dispersants.
  46. Therriault, Daniel; Lewis, Jennifer A.; White, Scott R., Microcapillary networks.
  47. Therriault, Daniel; Lewis, Jennifer A.; White, Scott R., Microcapillary networks.
  48. Lettkeman, Dennis M.; Shake, Michael P.; Liu, Qingxia; Wilson, John W.; Randall, Brian; Blackburn, David R., Modifiers for gypsum slurries and method of using them.
  49. Macklin, Michael B.; Ranganathan, Anandakumar; Rieder, Klaus-Alexander; Shen, Ding Feng; Buchanan, Michael; Fierke, Randall; Verrill, Jessica; Indge, Donald; Agresti, David; Westgate, Paul, Pumpably verifiable fluid fiber compositions.
  50. Hill, Russell L.; Jolicoeur, Carmel R.; Page, Monique; Spiratos, Ioan; To, Thi Cong, Sacrificial agents for fly ash concrete.
  51. Hill, Russell L.; Jolicoeur, Carmel R.; Page, Monique; Spiratos, Ioan; To, Thi Cong, Sacrificial agents for fly ash concrete.
  52. Hill,Russell; Jolicoeur,Carmel R.; Page,Monique; Spiratos,Ioan; To,Thi Cong, Sacrificial agents for fly ash concrete.
  53. Sugiyama, Tomomi; Sugamata, Takumi, Shrinkage reducing agent.
  54. Masanaga, Mari; Fukuhara, Koji, Shrinkage-reducing agent for hydraulic material.
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