CN108607514A - A kind of preparation method of aminated magnetic porous microspheres - Google Patents

A kind of preparation method of aminated magnetic porous microspheres Download PDF

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Publication number
CN108607514A
CN108607514A CN201810496740.7A CN201810496740A CN108607514A CN 108607514 A CN108607514 A CN 108607514A CN 201810496740 A CN201810496740 A CN 201810496740A CN 108607514 A CN108607514 A CN 108607514A
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China
Prior art keywords
porous microspheres
preparation
magnetic porous
aminated magnetic
aminated
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CN201810496740.7A
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Chinese (zh)
Inventor
林森
陈鑫
刘莉莉
汪宇鹏
张卫
林匡飞
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East China University of Science and Technology
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East China University of Science and Technology
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Priority to CN201810496740.7A priority Critical patent/CN108607514A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/06Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/22Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/28Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
    • B01J20/28002Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their physical properties
    • B01J20/28004Sorbent size or size distribution, e.g. particle size
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/28Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
    • B01J20/28002Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their physical properties
    • B01J20/28009Magnetic properties
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/28Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
    • B01J20/28014Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
    • B01J20/28016Particle form
    • B01J20/28021Hollow particles, e.g. hollow spheres, microspheres or cenospheres
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/28Treatment of water, waste water, or sewage by sorption
    • C02F1/281Treatment of water, waste water, or sewage by sorption using inorganic sorbents
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2220/00Aspects relating to sorbent materials
    • B01J2220/40Aspects relating to the composition of sorbent or filter aid materials
    • B01J2220/48Sorbents characterised by the starting material used for their preparation
    • B01J2220/4806Sorbents characterised by the starting material used for their preparation the starting material being of inorganic character
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2220/00Aspects relating to sorbent materials
    • B01J2220/40Aspects relating to the composition of sorbent or filter aid materials
    • B01J2220/48Sorbents characterised by the starting material used for their preparation
    • B01J2220/4812Sorbents characterised by the starting material used for their preparation the starting material being of organic character
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00Nature of the contaminant
    • C02F2101/10Inorganic compounds
    • C02F2101/20Heavy metals or heavy metal compounds

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Manufacturing Of Micro-Capsules (AREA)

Abstract

The invention discloses a kind of preparation method of aminated magnetic porous microspheres, step includes:By FeCl3·6H2O, anhydrous sodium acetate and 1,6 hexamethylene diamines are dissolved in ethylene glycol and form clear solution;Step 1 gained clear solution is sealed in autoclave, is heated under the conditions of 196 200 DEG C and aminated magnetic porous microspheres is obtained by the reaction;It is saved backup after drying.Nano-scale magnetic iron oxide particle with stronger heavy metal adsorption can fast and effeciently be prepared by preparation method of the present invention, and prepared nano-scale magnetic iron oxide particle be easy to store it is spare.

Description

A kind of preparation method of aminated magnetic porous microspheres
Technical field
The invention belongs to environment water treatment field more particularly to a kind of aminated magnetic porous microspheres for water process Preparation method.
Background technology
With the fast development of global industry, various toxic heavy metals are with industries such as leather, papermaking, weaving, printing and dyeing Waste water be discharged into environment water, serious threat is caused to health.Therefore, effective heavy metal in water is developed to go Except technology is of great significance to public health and sustainable economic development.
Invention content
Goal of the invention:A kind of aminated magnetic porous microspheres preparation side that can effectively remove heavy metal in water is provided Method.
Technical solution:A kind of preparation method of aminated magnetic porous microspheres of the present invention, includes the following steps:
Step 1, by FeCl3·6H2O, anhydrous sodium acetate and 1,6- hexamethylene diamines be dissolved in ethylene glycol formed it is transparent molten Liquid;
Step 2, step 1 gained clear solution is sealed in autoclave, reaction is heated under the conditions of 196-200 DEG C Obtain aminated magnetic porous microspheres;
Step 3, it is saved backup after drying.
Further, in step 1, used FeCl3·6H2O, anhydrous sodium acetate, 1,6- hexamethylene diamines and ethylene glycol Amount ratio is 1g:5.6g:3.6g:30mL.
Further, it in step 1, is stirred simultaneously with the speed of agitator of 980-1020rpm in dissolving.Using the stirring Rotating speed can realize the Quick uniform dissolving of material.
Further, in step 2, the heating reaction time in stainless steel autoclave is 4.5-5.5 hours.
Further, in step 2, used autoclave is the stainless steel reaction under high pressure of teflon lined Kettle.
Further, in step 2, reaction is heated under the conditions of 198 DEG C.
Further, it in step 2, after aminated magnetic porous microspheres are obtained by the reaction in heating, is washed with ethyl alcohol aminated Magnetic porous microspheres 4-5 times are to remove surface impurity.
Further, dry to require to be 1 hour dry under the conditions of 48-52 DEG C in step 3.It is done under this condition It is dry, it is easy to later stage preservation.
Further, in step 3, the condition saved backup is+4 DEG C.There can be preferable preservation effect under this condition.
Compared with prior art, the present invention advantage is:It can fast and effeciently be prepared by preparation method of the present invention Provide the nano-scale magnetic iron oxide particle of stronger heavy metal adsorption, and prepared nano-scale magnetic ferriferous oxide Particle is easy to store spare;The nano-scale magnetic iron oxide particle can carry out the heavy metal in water body quick adsorption, and It is easily recycled, prevents from causing secondary pollution.
Description of the drawings
Fig. 1 is the preparation method flow chart of the present invention;
Fig. 2 is the transmission electron microscope picture (TEM) of nano-scale magnetic iron oxide particle prepared by the present invention;
Fig. 3 is the infrared spectrum (FTIR) of nano-scale magnetic iron oxide particle prepared by the present invention;
Fig. 4 is the X-ray diffraction spectrogram (XRD) of nano-scale magnetic iron oxide particle prepared by the present invention;
Fig. 5 is the pore-size distribution of nano-scale magnetic iron oxide particle prepared by the present invention.
Specific implementation mode
Technical solution of the present invention is described in detail below in conjunction with the accompanying drawings, but protection scope of the present invention is not limited to The embodiment.
As shown in Figure 1, the preparation method of aminated magnetic porous microspheres disclosed by the invention, includes the following steps:
Step 1, by FeCl3·6H2O, anhydrous sodium acetate and 1,6- hexamethylene diamines be dissolved in ethylene glycol formed it is transparent molten Liquid;
Step 2, step 1 gained clear solution is sealed in autoclave, reaction is heated under the conditions of 196-200 DEG C Obtain aminated magnetic porous microspheres;
Step 3, it is saved backup after drying.
Further, in step 1, used FeCl3·6H2O, anhydrous sodium acetate, 1,6- hexamethylene diamines and ethylene glycol Amount ratio is 1g:5.6g:3.6g:30mL, for example, by 1.0g FeCl36H2O, 5.6g anhydrous sodium acetates and 3.6g 1,6- oneself Diamines is dissolved in 30mL ethylene glycol and forms clear solution;It is stirred simultaneously with the speed of agitator of 980-1020rpm in dissolving It mixes, preferably the speed of agitator of 1000rpm.
Further, in step 2, the heating reaction time in stainless steel autoclave is 4.5-5.5 hours, preferably It is 5 hours;Used autoclave is the stainless steel autoclave of teflon lined;Preferably in 198 DEG C of items Reaction is heated under part;After aminated magnetic porous microspheres are obtained by the reaction in heating, aminated magnetic porous microspheres are washed with ethyl alcohol 4-5 times to remove surface impurity.
Further, dry to require to be 1 hour dry under the conditions of 48-52 DEG C in step 3;The condition saved backup be+ 4℃。
Embodiment 1:
As shown in Figure 2-5, the obtained aminated magnetic porous microspheres particle crystalline structure of preparation method of the present invention is complete It is whole, there is good uniformity and consistency, wherein Fig. 2 is the transmission electron microscope of the nano-scale magnetic iron oxide particle prepared Scheme (TEM), Fig. 3 is the infrared spectrum (FTIR) of the nano-scale magnetic iron oxide particle prepared, and Fig. 4 is the nanoscale magnetic prepared Property iron oxide particle X-ray diffraction spectrogram (XRD), Fig. 5 is the aperture point of the nano-scale magnetic iron oxide particle prepared Cloth.
Embodiment 2:
The magnetic Nano iron oxide particle that 0.1g is prepared is dispersed in 100mL deionized waters, using strong After the external magnetic field that degree is 0.6T recycles 2min, it can realize that the separation of magnetic nanoparticle and water phase, the rate of recovery reach 99.98% More than.
Embodiment 3:
It is prepared by 0.5g gained aminated magnetic porous microspheres particle be added 100mL, pH value=3.0, Cu it is initial In the CuCl2 solution of a concentration of 50mg/L, under the conditions of the temperature of 30 DEG C of maintenance, the concussion of 175rpm after reaction 30min, solution Middle Cu2+Residual concentration be less than 0.05mg/L, meet Cu contents discharge standard in national waste water.
Embodiment 4:
It is prepared by 0.5g gained aminated magnetic porous microspheres particle be added 100mL, pH value=3.0, Zn it is initial In the ZnCl2 solution of a concentration of 50mg/L, under the conditions of the temperature of 30 DEG C of maintenance, the concussion of 175rpm after reaction 30min, solution Middle Zn2+Residual concentration be less than 0.12mg/L, meet Zn contents discharge standard in national waste water.
Embodiment 5:
It is prepared by 0.5g gained aminated magnetic porous microspheres particle be added 100mL, pH value=3.0, Cd it is initial In the CdCl2 solution of a concentration of 50mg/L, under the conditions of the temperature of 30 DEG C of maintenance, the concussion of 175rpm after reaction 30min, solution Middle Cd2+Residual concentration be less than 0.04mg/L, meet Cd contents discharge standard in national waste water.
Embodiment 6:
It is prepared by 0.5g gained aminated magnetic porous microspheres particle be added 100mL, pH value=3.0, Pb it is initial In the PbCl2 solution of a concentration of 50mg/L, under the conditions of the temperature of 30 DEG C of maintenance, the concussion of 175rpm after reaction 30min, solution Middle Pb2+Residual concentration be less than 0.08mg/L, meet Pb contents discharge standard in national waste water.
Embodiment 7:
It is prepared by 0.5g gained aminated magnetic porous microspheres particle be added 100mL, pH value=3.0, Ni it is initial In the NiCl2 solution of a concentration of 50mg/L, under the conditions of the temperature of 30 DEG C of maintenance, the concussion of 175rpm after reaction 30min, solution Middle Ni2+Residual concentration be less than 0.05mg/L, meet Ni contents discharge standard in national waste water.
As described above, although the present invention has been indicated and described with reference to specific preferred embodiment, must not explain For the limitation to invention itself.It without prejudice to the spirit and scope of the invention as defined in the appended claims, can be right Various changes can be made in the form and details for it.

Claims (9)

1. a kind of preparation method of aminated magnetic porous microspheres, which is characterized in that include the following steps:
Step 1, by FeCl3·6H2O, anhydrous sodium acetate and 1,6- hexamethylene diamines are dissolved in ethylene glycol and form clear solution;
Step 2, step 1 gained clear solution is sealed in autoclave, heats and is obtained by the reaction under the conditions of 196-200 DEG C Aminated magnetic porous microspheres;
Step 3, it is saved backup after drying.
2. the preparation method of aminated magnetic porous microspheres according to claim 1, which is characterized in that in step 1, made FeCl3·6H2O, the amount ratio of anhydrous sodium acetate, 1,6- hexamethylene diamines and ethylene glycol is 1g:5.6g:3.6g:30mL.
3. the preparation method of aminated magnetic porous microspheres according to claim 1, which is characterized in that in step 1, molten Solution is stirred with the speed of agitator of 980-1020rpm simultaneously.
4. the preparation method of aminated magnetic porous microspheres according to claim 1, which is characterized in that in step 2, not The heating reaction time in rust steel autoclave is 4.5-5.5 hours.
5. the preparation method of aminated magnetic porous microspheres according to claim 1, which is characterized in that in step 2, made Autoclave is the stainless steel autoclave of teflon lined.
6. the preparation method of aminated magnetic porous microspheres according to claim 1, which is characterized in that in step 2, Reaction is heated under the conditions of 198 DEG C.
7. the preparation method of aminated magnetic porous microspheres according to claim 1, which is characterized in that in step 2, adding After thermal response obtains aminated magnetic porous microspheres, it is miscellaneous to remove surface to wash aminated magnetic porous microspheres 4-5 times with ethyl alcohol Matter.
8. the preparation method of aminated magnetic porous microspheres according to claim 1, which is characterized in that dry in step 3 It is required that be 1 hour dry under the conditions of 48-52 DEG C.
9. the preparation method of aminated magnetic porous microspheres according to claim 1, which is characterized in that in step 3, preserve Spare condition is+4 DEG C.
CN201810496740.7A 2018-05-22 2018-05-22 A kind of preparation method of aminated magnetic porous microspheres Pending CN108607514A (en)

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Publication number Priority date Publication date Assignee Title
CN102895958A (en) * 2012-10-24 2013-01-30 常州大学 Attapulgite clay based adsorbing material and preparation method thereof
CN103041773A (en) * 2012-12-04 2013-04-17 天津大学 Magnetic carbon nanotube composite material and preparation method and application thereof
US20130203585A1 (en) * 2012-02-06 2013-08-08 Korea Institute Of Science And Technology Composite medium for simultaneous removal of cationic and anionic heavy metals and method for manufacturing the same
CN103263886A (en) * 2013-06-06 2013-08-28 湖北大学 Hydrothermal preparation method and application of magnetic ferroferric oxide nanochain
CN106745317A (en) * 2016-11-16 2017-05-31 杭州电子科技大学 One-step method prepares method and its application of porous ferroferric oxide magnetic Nano microsphere
CN108031440A (en) * 2017-12-15 2018-05-15 中国科学院烟台海岸带研究所 A kind of composite material and its preparation and absorption, remove water body in chromium application

Patent Citations (6)

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Publication number Priority date Publication date Assignee Title
US20130203585A1 (en) * 2012-02-06 2013-08-08 Korea Institute Of Science And Technology Composite medium for simultaneous removal of cationic and anionic heavy metals and method for manufacturing the same
CN102895958A (en) * 2012-10-24 2013-01-30 常州大学 Attapulgite clay based adsorbing material and preparation method thereof
CN103041773A (en) * 2012-12-04 2013-04-17 天津大学 Magnetic carbon nanotube composite material and preparation method and application thereof
CN103263886A (en) * 2013-06-06 2013-08-28 湖北大学 Hydrothermal preparation method and application of magnetic ferroferric oxide nanochain
CN106745317A (en) * 2016-11-16 2017-05-31 杭州电子科技大学 One-step method prepares method and its application of porous ferroferric oxide magnetic Nano microsphere
CN108031440A (en) * 2017-12-15 2018-05-15 中国科学院烟台海岸带研究所 A kind of composite material and its preparation and absorption, remove water body in chromium application

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